Home / 1,562.40-2,337.12-1,419.84

Finding the Fourth Proportional to 1,562.40, 2,337.12 and 1,419.84

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Solution

The fourth proportional to 1,562.40, 2,337.12 and 1,419.84 is: 2,123.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,562.40 : 2,337.12 = 1,419.84 : x
  2. Step 2: Convert to fraction form
    1,562.40/2,337.12 = 1,419.84/x
  3. Step 3: Cross multiply
    1,562.40x = 2,337.12 × 1,419.84
  4. Step 4: Simplify right side
    1,562.40x = 3,318,336.46
  5. Step 5: Solve for x
    x = 3,318,336.46/1,562.40
  6. Step 6: Final answer
    x = 2,123.87

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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.