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Finding the Fourth Proportional to 1,773.46, 2,660.46 and 1,043.74

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Solution

The fourth proportional to 1,773.46, 2,660.46 and 1,043.74 is: 1,565.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,773.46 : 2,660.46 = 1,043.74 : x
  2. Step 2: Convert to fraction form
    1,773.46/2,660.46 = 1,043.74/x
  3. Step 3: Cross multiply
    1,773.46x = 2,660.46 × 1,043.74
  4. Step 4: Simplify right side
    1,773.46x = 2,776,828.52
  5. Step 5: Solve for x
    x = 2,776,828.52/1,773.46
  6. Step 6: Final answer
    x = 1,565.77

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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.