Home / 2,702.38-3,729.29-1,507.44

Finding the Fourth Proportional to 2,702.38, 3,729.29 and 1,507.44

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Solution

The fourth proportional to 2,702.38, 3,729.29 and 1,507.44 is: 2,080.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,702.38 : 3,729.29 = 1,507.44 : x
  2. Step 2: Convert to fraction form
    2,702.38/3,729.29 = 1,507.44/x
  3. Step 3: Cross multiply
    2,702.38x = 3,729.29 × 1,507.44
  4. Step 4: Simplify right side
    2,702.38x = 5,621,681.62
  5. Step 5: Solve for x
    x = 5,621,681.62/2,702.38
  6. Step 6: Final answer
    x = 2,080.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.