Home / 2,247.17-3,370.68-947.70

Finding the Fourth Proportional to 2,247.17, 3,370.68 and 947.70

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Solution

The fourth proportional to 2,247.17, 3,370.68 and 947.70 is: 1,421.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,247.17 : 3,370.68 = 947.70 : x
  2. Step 2: Convert to fraction form
    2,247.17/3,370.68 = 947.70/x
  3. Step 3: Cross multiply
    2,247.17x = 3,370.68 × 947.70
  4. Step 4: Simplify right side
    2,247.17x = 3,194,393.44
  5. Step 5: Solve for x
    x = 3,194,393.44/2,247.17
  6. Step 6: Final answer
    x = 1,421.52

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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.