Home / 3,700.31-5,549.75-1,725.39

Finding the Fourth Proportional to 3,700.31, 5,549.75 and 1,725.39

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Solution

The fourth proportional to 3,700.31, 5,549.75 and 1,725.39 is: 2,587.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,700.31 : 5,549.75 = 1,725.39 : x
  2. Step 2: Convert to fraction form
    3,700.31/5,549.75 = 1,725.39/x
  3. Step 3: Cross multiply
    3,700.31x = 5,549.75 × 1,725.39
  4. Step 4: Simplify right side
    3,700.31x = 9,575,474.53
  5. Step 5: Solve for x
    x = 9,575,474.53/3,700.31
  6. Step 6: Final answer
    x = 2,587.75

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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.