Home / 1,247.52-1,874.70-1,166.25

Finding the Fourth Proportional to 1,247.52, 1,874.70 and 1,166.25

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Solution

The fourth proportional to 1,247.52, 1,874.70 and 1,166.25 is: 1,752.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247.52 : 1,874.70 = 1,166.25 : x
  2. Step 2: Convert to fraction form
    1,247.52/1,874.70 = 1,166.25/x
  3. Step 3: Cross multiply
    1,247.52x = 1,874.70 × 1,166.25
  4. Step 4: Simplify right side
    1,247.52x = 2,186,368.88
  5. Step 5: Solve for x
    x = 2,186,368.88/1,247.52
  6. Step 6: Final answer
    x = 1,752.57

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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.