Home / 1,538.62-2,304.87-1,190.74

Finding the Fourth Proportional to 1,538.62, 2,304.87 and 1,190.74

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Solution

The fourth proportional to 1,538.62, 2,304.87 and 1,190.74 is: 1,783.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538.62 : 2,304.87 = 1,190.74 : x
  2. Step 2: Convert to fraction form
    1,538.62/2,304.87 = 1,190.74/x
  3. Step 3: Cross multiply
    1,538.62x = 2,304.87 × 1,190.74
  4. Step 4: Simplify right side
    1,538.62x = 2,744,500.90
  5. Step 5: Solve for x
    x = 2,744,500.90/1,538.62
  6. Step 6: Final answer
    x = 1,783.74

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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.