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Finding the Fourth Proportional to 3,049.98, 4,574.80 and 1,075.71

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Solution

The fourth proportional to 3,049.98, 4,574.80 and 1,075.71 is: 1,613.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,049.98 : 4,574.80 = 1,075.71 : x
  2. Step 2: Convert to fraction form
    3,049.98/4,574.80 = 1,075.71/x
  3. Step 3: Cross multiply
    3,049.98x = 4,574.80 × 1,075.71
  4. Step 4: Simplify right side
    3,049.98x = 4,921,141.03
  5. Step 5: Solve for x
    x = 4,921,141.03/3,049.98
  6. Step 6: Final answer
    x = 1,613.50

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Half scale
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Double scale
Find fourth proportional to 3,050.98, 4,576.30 and 1,076.71
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.