Home / 2,702.71-4,052.45-1,057.30

Finding the Fourth Proportional to 2,702.71, 4,052.45 and 1,057.30

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Solution

The fourth proportional to 2,702.71, 4,052.45 and 1,057.30 is: 1,585.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,702.71 : 4,052.45 = 1,057.30 : x
  2. Step 2: Convert to fraction form
    2,702.71/4,052.45 = 1,057.30/x
  3. Step 3: Cross multiply
    2,702.71x = 4,052.45 × 1,057.30
  4. Step 4: Simplify right side
    2,702.71x = 4,284,655.39
  5. Step 5: Solve for x
    x = 4,284,655.39/2,702.71
  6. Step 6: Final answer
    x = 1,585.32

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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.