Home / 1,717.32-2,575.00-547.10

Finding the Fourth Proportional to 1,717.32, 2,575.00 and 547.10

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Solution

The fourth proportional to 1,717.32, 2,575.00 and 547.10 is: 820.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,717.32 : 2,575.00 = 547.10 : x
  2. Step 2: Convert to fraction form
    1,717.32/2,575.00 = 547.10/x
  3. Step 3: Cross multiply
    1,717.32x = 2,575.00 × 547.10
  4. Step 4: Simplify right side
    1,717.32x = 1,408,766.89
  5. Step 5: Solve for x
    x = 1,408,766.89/1,717.32
  6. Step 6: Final answer
    x = 820.33

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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.