Home / 2,075.18-3,113.34-904.97

Finding the Fourth Proportional to 2,075.18, 3,113.34 and 904.97

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Solution

The fourth proportional to 2,075.18, 3,113.34 and 904.97 is: 1,357.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,075.18 : 3,113.34 = 904.97 : x
  2. Step 2: Convert to fraction form
    2,075.18/3,113.34 = 904.97/x
  3. Step 3: Cross multiply
    2,075.18x = 3,113.34 × 904.97
  4. Step 4: Simplify right side
    2,075.18x = 2,817,469.71
  5. Step 5: Solve for x
    x = 2,817,469.71/2,075.18
  6. Step 6: Final answer
    x = 1,357.70

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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.