Home / 1,538.19-2,294.53-1,374.17

Finding the Fourth Proportional to 1,538.19, 2,294.53 and 1,374.17

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Solution

The fourth proportional to 1,538.19, 2,294.53 and 1,374.17 is: 2,049.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538.19 : 2,294.53 = 1,374.17 : x
  2. Step 2: Convert to fraction form
    1,538.19/2,294.53 = 1,374.17/x
  3. Step 3: Cross multiply
    1,538.19x = 2,294.53 × 1,374.17
  4. Step 4: Simplify right side
    1,538.19x = 3,153,059.38
  5. Step 5: Solve for x
    x = 3,153,059.38/1,538.19
  6. Step 6: Final answer
    x = 2,049.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.