Home / 3,123.04-4,687.80-2,301.70

Finding the Fourth Proportional to 3,123.04, 4,687.80 and 2,301.70

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Solution

The fourth proportional to 3,123.04, 4,687.80 and 2,301.70 is: 3,454.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,123.04 : 4,687.80 = 2,301.70 : x
  2. Step 2: Convert to fraction form
    3,123.04/4,687.80 = 2,301.70/x
  3. Step 3: Cross multiply
    3,123.04x = 4,687.80 × 2,301.70
  4. Step 4: Simplify right side
    3,123.04x = 10,789,909.26
  5. Step 5: Solve for x
    x = 10,789,909.26/3,123.04
  6. Step 6: Final answer
    x = 3,454.94

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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.