Home / 1,353.44-2,034.52-1,257.15

Finding the Fourth Proportional to 1,353.44, 2,034.52 and 1,257.15

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Solution

The fourth proportional to 1,353.44, 2,034.52 and 1,257.15 is: 1,889.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353.44 : 2,034.52 = 1,257.15 : x
  2. Step 2: Convert to fraction form
    1,353.44/2,034.52 = 1,257.15/x
  3. Step 3: Cross multiply
    1,353.44x = 2,034.52 × 1,257.15
  4. Step 4: Simplify right side
    1,353.44x = 2,557,701.30
  5. Step 5: Solve for x
    x = 2,557,701.30/1,353.44
  6. Step 6: Final answer
    x = 1,889.77

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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.