Home / 3,132.10-4,691.76-1,483.64

Finding the Fourth Proportional to 3,132.10, 4,691.76 and 1,483.64

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Solution

The fourth proportional to 3,132.10, 4,691.76 and 1,483.64 is: 2,222.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.10 : 4,691.76 = 1,483.64 : x
  2. Step 2: Convert to fraction form
    3,132.10/4,691.76 = 1,483.64/x
  3. Step 3: Cross multiply
    3,132.10x = 4,691.76 × 1,483.64
  4. Step 4: Simplify right side
    3,132.10x = 6,960,882.81
  5. Step 5: Solve for x
    x = 6,960,882.81/3,132.10
  6. Step 6: Final answer
    x = 2,222.43

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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.