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Finding the Fourth Proportional to 1,247.60, 1,867.71 and 924.41

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Solution

The fourth proportional to 1,247.60, 1,867.71 and 924.41 is: 1,383.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247.60 : 1,867.71 = 924.41 : x
  2. Step 2: Convert to fraction form
    1,247.60/1,867.71 = 924.41/x
  3. Step 3: Cross multiply
    1,247.60x = 1,867.71 × 924.41
  4. Step 4: Simplify right side
    1,247.60x = 1,726,529.80
  5. Step 5: Solve for x
    x = 1,726,529.80/1,247.60
  6. Step 6: Final answer
    x = 1,383.88

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.