Home / 1,600.74-2,387.16-1,531.08

Finding the Fourth Proportional to 1,600.74, 2,387.16 and 1,531.08

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Solution

The fourth proportional to 1,600.74, 2,387.16 and 1,531.08 is: 2,283.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,600.74 : 2,387.16 = 1,531.08 : x
  2. Step 2: Convert to fraction form
    1,600.74/2,387.16 = 1,531.08/x
  3. Step 3: Cross multiply
    1,600.74x = 2,387.16 × 1,531.08
  4. Step 4: Simplify right side
    1,600.74x = 3,654,932.93
  5. Step 5: Solve for x
    x = 3,654,932.93/1,600.74
  6. Step 6: Final answer
    x = 2,283.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.