Home / 1,522.52-2,099.13-1,248.66

Finding the Fourth Proportional to 1,522.52, 2,099.13 and 1,248.66

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Solution

The fourth proportional to 1,522.52, 2,099.13 and 1,248.66 is: 1,721.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,522.52 : 2,099.13 = 1,248.66 : x
  2. Step 2: Convert to fraction form
    1,522.52/2,099.13 = 1,248.66/x
  3. Step 3: Cross multiply
    1,522.52x = 2,099.13 × 1,248.66
  4. Step 4: Simplify right side
    1,522.52x = 2,621,093.29
  5. Step 5: Solve for x
    x = 2,621,093.29/1,522.52
  6. Step 6: Final answer
    x = 1,721.55

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1.5x scale

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.