Home / 2,419.13-3,338.60-1,534.61

Finding the Fourth Proportional to 2,419.13, 3,338.60 and 1,534.61

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Solution

The fourth proportional to 2,419.13, 3,338.60 and 1,534.61 is: 2,117.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,419.13 : 3,338.60 = 1,534.61 : x
  2. Step 2: Convert to fraction form
    2,419.13/3,338.60 = 1,534.61/x
  3. Step 3: Cross multiply
    2,419.13x = 3,338.60 × 1,534.61
  4. Step 4: Simplify right side
    2,419.13x = 5,123,436.09
  5. Step 5: Solve for x
    x = 5,123,436.09/2,419.13
  6. Step 6: Final answer
    x = 2,117.89

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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.