Home / 3,712.72-5,125.08-2,725.06

Finding the Fourth Proportional to 3,712.72, 5,125.08 and 2,725.06

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Solution

The fourth proportional to 3,712.72, 5,125.08 and 2,725.06 is: 3,761.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,712.72 : 5,125.08 = 2,725.06 : x
  2. Step 2: Convert to fraction form
    3,712.72/5,125.08 = 2,725.06/x
  3. Step 3: Cross multiply
    3,712.72x = 5,125.08 × 2,725.06
  4. Step 4: Simplify right side
    3,712.72x = 13,966,150.50
  5. Step 5: Solve for x
    x = 13,966,150.50/3,712.72
  6. Step 6: Final answer
    x = 3,761.70

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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.