Home / 3,103.38-4,655.67-1,461.78

Finding the Fourth Proportional to 3,103.38, 4,655.67 and 1,461.78

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Solution

The fourth proportional to 3,103.38, 4,655.67 and 1,461.78 is: 2,192.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103.38 : 4,655.67 = 1,461.78 : x
  2. Step 2: Convert to fraction form
    3,103.38/4,655.67 = 1,461.78/x
  3. Step 3: Cross multiply
    3,103.38x = 4,655.67 × 1,461.78
  4. Step 4: Simplify right side
    3,103.38x = 6,805,565.29
  5. Step 5: Solve for x
    x = 6,805,565.29/3,103.38
  6. Step 6: Final answer
    x = 2,192.95

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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.