Home / 1,629.38-2,247.62-966.12

Finding the Fourth Proportional to 1,629.38, 2,247.62 and 966.12

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Solution

The fourth proportional to 1,629.38, 2,247.62 and 966.12 is: 1,332.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629.38 : 2,247.62 = 966.12 : x
  2. Step 2: Convert to fraction form
    1,629.38/2,247.62 = 966.12/x
  3. Step 3: Cross multiply
    1,629.38x = 2,247.62 × 966.12
  4. Step 4: Simplify right side
    1,629.38x = 2,171,470.63
  5. Step 5: Solve for x
    x = 2,171,470.63/1,629.38
  6. Step 6: Final answer
    x = 1,332.70

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1.5x scale

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.