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Finding the Fourth Proportional to 1,728.84, 2,593.82 and 574.76

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Solution

The fourth proportional to 1,728.84, 2,593.82 and 574.76 is: 862.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728.84 : 2,593.82 = 574.76 : x
  2. Step 2: Convert to fraction form
    1,728.84/2,593.82 = 574.76/x
  3. Step 3: Cross multiply
    1,728.84x = 2,593.82 × 574.76
  4. Step 4: Simplify right side
    1,728.84x = 1,490,823.98
  5. Step 5: Solve for x
    x = 1,490,823.98/1,728.84
  6. Step 6: Final answer
    x = 862.33

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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.