Home / 1,721.16-2,575.42-1,060.68

Finding the Fourth Proportional to 1,721.16, 2,575.42 and 1,060.68

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Solution

The fourth proportional to 1,721.16, 2,575.42 and 1,060.68 is: 1,587.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,721.16 : 2,575.42 = 1,060.68 : x
  2. Step 2: Convert to fraction form
    1,721.16/2,575.42 = 1,060.68/x
  3. Step 3: Cross multiply
    1,721.16x = 2,575.42 × 1,060.68
  4. Step 4: Simplify right side
    1,721.16x = 2,731,696.49
  5. Step 5: Solve for x
    x = 2,731,696.49/1,721.16
  6. Step 6: Final answer
    x = 1,587.13

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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.