Home / 3,731.34-5,143.32-3,132.65

Finding the Fourth Proportional to 3,731.34, 5,143.32 and 3,132.65

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Solution

The fourth proportional to 3,731.34, 5,143.32 and 3,132.65 is: 4,318.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,731.34 : 5,143.32 = 3,132.65 : x
  2. Step 2: Convert to fraction form
    3,731.34/5,143.32 = 3,132.65/x
  3. Step 3: Cross multiply
    3,731.34x = 5,143.32 × 3,132.65
  4. Step 4: Simplify right side
    3,731.34x = 16,112,228.60
  5. Step 5: Solve for x
    x = 16,112,228.60/3,731.34
  6. Step 6: Final answer
    x = 4,318.08

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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.