Home / 3,123.30-4,686.57-2,264.70

Finding the Fourth Proportional to 3,123.30, 4,686.57 and 2,264.70

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Solution

The fourth proportional to 3,123.30, 4,686.57 and 2,264.70 is: 3,398.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,123.30 : 4,686.57 = 2,264.70 : x
  2. Step 2: Convert to fraction form
    3,123.30/4,686.57 = 2,264.70/x
  3. Step 3: Cross multiply
    3,123.30x = 4,686.57 × 2,264.70
  4. Step 4: Simplify right side
    3,123.30x = 10,613,675.08
  5. Step 5: Solve for x
    x = 10,613,675.08/3,123.30
  6. Step 6: Final answer
    x = 3,398.22

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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.