Home / 3,123.68-4,304.76-2,237.96

Finding the Fourth Proportional to 3,123.68, 4,304.76 and 2,237.96

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Solution

The fourth proportional to 3,123.68, 4,304.76 and 2,237.96 is: 3,084.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,123.68 : 4,304.76 = 2,237.96 : x
  2. Step 2: Convert to fraction form
    3,123.68/4,304.76 = 2,237.96/x
  3. Step 3: Cross multiply
    3,123.68x = 4,304.76 × 2,237.96
  4. Step 4: Simplify right side
    3,123.68x = 9,633,880.69
  5. Step 5: Solve for x
    x = 9,633,880.69/3,123.68
  6. Step 6: Final answer
    x = 3,084.14

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Half scale
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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.