Home / 3,725.42-5,587.52-1,127.75

Finding the Fourth Proportional to 3,725.42, 5,587.52 and 1,127.75

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Solution

The fourth proportional to 3,725.42, 5,587.52 and 1,127.75 is: 1,691.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,725.42 : 5,587.52 = 1,127.75 : x
  2. Step 2: Convert to fraction form
    3,725.42/5,587.52 = 1,127.75/x
  3. Step 3: Cross multiply
    3,725.42x = 5,587.52 × 1,127.75
  4. Step 4: Simplify right side
    3,725.42x = 6,301,325.68
  5. Step 5: Solve for x
    x = 6,301,325.68/3,725.42
  6. Step 6: Final answer
    x = 1,691.44

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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.