Home / 1,721.17-2,375.40-1,506.52

Finding the Fourth Proportional to 1,721.17, 2,375.40 and 1,506.52

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Solution

The fourth proportional to 1,721.17, 2,375.40 and 1,506.52 is: 2,079.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,721.17 : 2,375.40 = 1,506.52 : x
  2. Step 2: Convert to fraction form
    1,721.17/2,375.40 = 1,506.52/x
  3. Step 3: Cross multiply
    1,721.17x = 2,375.40 × 1,506.52
  4. Step 4: Simplify right side
    1,721.17x = 3,578,587.61
  5. Step 5: Solve for x
    x = 3,578,587.61/1,721.17
  6. Step 6: Final answer
    x = 2,079.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.