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Finding the Fourth Proportional to 1,732.22, 2,599.27 and 807.56

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Solution

The fourth proportional to 1,732.22, 2,599.27 and 807.56 is: 1,211.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,732.22 : 2,599.27 = 807.56 : x
  2. Step 2: Convert to fraction form
    1,732.22/2,599.27 = 807.56/x
  3. Step 3: Cross multiply
    1,732.22x = 2,599.27 × 807.56
  4. Step 4: Simplify right side
    1,732.22x = 2,099,066.48
  5. Step 5: Solve for x
    x = 2,099,066.48/1,732.22
  6. Step 6: Final answer
    x = 1,211.78

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1.5x scale

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.