Home / 3,837.40-5,757.45-3,702.40

Finding the Fourth Proportional to 3,837.40, 5,757.45 and 3,702.40

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Solution

The fourth proportional to 3,837.40, 5,757.45 and 3,702.40 is: 5,554.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,837.40 : 5,757.45 = 3,702.40 : x
  2. Step 2: Convert to fraction form
    3,837.40/5,757.45 = 3,702.40/x
  3. Step 3: Cross multiply
    3,837.40x = 5,757.45 × 3,702.40
  4. Step 4: Simplify right side
    3,837.40x = 21,316,382.88
  5. Step 5: Solve for x
    x = 21,316,382.88/3,837.40
  6. Step 6: Final answer
    x = 5,554.90

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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.