Home / 1,717.29-2,575.91-484.70

Finding the Fourth Proportional to 1,717.29, 2,575.91 and 484.70

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Solution

The fourth proportional to 1,717.29, 2,575.91 and 484.70 is: 727.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,717.29 : 2,575.91 = 484.70 : x
  2. Step 2: Convert to fraction form
    1,717.29/2,575.91 = 484.70/x
  3. Step 3: Cross multiply
    1,717.29x = 2,575.91 × 484.70
  4. Step 4: Simplify right side
    1,717.29x = 1,248,528.27
  5. Step 5: Solve for x
    x = 1,248,528.27/1,717.29
  6. Step 6: Final answer
    x = 727.03

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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.