Home / 2,266.62-3,129.74-1,521.24

Finding the Fourth Proportional to 2,266.62, 3,129.74 and 1,521.24

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Solution

The fourth proportional to 2,266.62, 3,129.74 and 1,521.24 is: 2,100.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,266.62 : 3,129.74 = 1,521.24 : x
  2. Step 2: Convert to fraction form
    2,266.62/3,129.74 = 1,521.24/x
  3. Step 3: Cross multiply
    2,266.62x = 3,129.74 × 1,521.24
  4. Step 4: Simplify right side
    2,266.62x = 4,761,085.68
  5. Step 5: Solve for x
    x = 4,761,085.68/2,266.62
  6. Step 6: Final answer
    x = 2,100.52

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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.