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Finding the Fourth Proportional to 1,149.79, 1,726.44 and 1,013.98

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Solution

The fourth proportional to 1,149.79, 1,726.44 and 1,013.98 is: 1,522.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149.79 : 1,726.44 = 1,013.98 : x
  2. Step 2: Convert to fraction form
    1,149.79/1,726.44 = 1,013.98/x
  3. Step 3: Cross multiply
    1,149.79x = 1,726.44 × 1,013.98
  4. Step 4: Simplify right side
    1,149.79x = 1,750,575.63
  5. Step 5: Solve for x
    x = 1,750,575.63/1,149.79
  6. Step 6: Final answer
    x = 1,522.52

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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.