Home / 3,075.02-4,612.09-994.75

Finding the Fourth Proportional to 3,075.02, 4,612.09 and 994.75

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Solution

The fourth proportional to 3,075.02, 4,612.09 and 994.75 is: 1,491.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,075.02 : 4,612.09 = 994.75 : x
  2. Step 2: Convert to fraction form
    3,075.02/4,612.09 = 994.75/x
  3. Step 3: Cross multiply
    3,075.02x = 4,612.09 × 994.75
  4. Step 4: Simplify right side
    3,075.02x = 4,587,876.53
  5. Step 5: Solve for x
    x = 4,587,876.53/3,075.02
  6. Step 6: Final answer
    x = 1,491.98

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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.