Home / 3,725.25-5,587.80-3,143.98

Finding the Fourth Proportional to 3,725.25, 5,587.80 and 3,143.98

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Solution

The fourth proportional to 3,725.25, 5,587.80 and 3,143.98 is: 4,715.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,725.25 : 5,587.80 = 3,143.98 : x
  2. Step 2: Convert to fraction form
    3,725.25/5,587.80 = 3,143.98/x
  3. Step 3: Cross multiply
    3,725.25x = 5,587.80 × 3,143.98
  4. Step 4: Simplify right side
    3,725.25x = 17,567,931.44
  5. Step 5: Solve for x
    x = 17,567,931.44/3,725.25
  6. Step 6: Final answer
    x = 4,715.91

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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.