Home / 1,538.94-2,306.70-1,172.52

Finding the Fourth Proportional to 1,538.94, 2,306.70 and 1,172.52

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Solution

The fourth proportional to 1,538.94, 2,306.70 and 1,172.52 is: 1,757.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538.94 : 2,306.70 = 1,172.52 : x
  2. Step 2: Convert to fraction form
    1,538.94/2,306.70 = 1,172.52/x
  3. Step 3: Cross multiply
    1,538.94x = 2,306.70 × 1,172.52
  4. Step 4: Simplify right side
    1,538.94x = 2,704,651.88
  5. Step 5: Solve for x
    x = 2,704,651.88/1,538.94
  6. Step 6: Final answer
    x = 1,757.48

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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.