Home / 1,269.24-1,750.38-974.52

Finding the Fourth Proportional to 1,269.24, 1,750.38 and 974.52

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Solution

The fourth proportional to 1,269.24, 1,750.38 and 974.52 is: 1,343.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269.24 : 1,750.38 = 974.52 : x
  2. Step 2: Convert to fraction form
    1,269.24/1,750.38 = 974.52/x
  3. Step 3: Cross multiply
    1,269.24x = 1,750.38 × 974.52
  4. Step 4: Simplify right side
    1,269.24x = 1,705,780.32
  5. Step 5: Solve for x
    x = 1,705,780.32/1,269.24
  6. Step 6: Final answer
    x = 1,343.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.