Home / 2,650.39-3,657.99-1,531.14

Finding the Fourth Proportional to 2,650.39, 3,657.99 and 1,531.14

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Solution

The fourth proportional to 2,650.39, 3,657.99 and 1,531.14 is: 2,113.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,650.39 : 3,657.99 = 1,531.14 : x
  2. Step 2: Convert to fraction form
    2,650.39/3,657.99 = 1,531.14/x
  3. Step 3: Cross multiply
    2,650.39x = 3,657.99 × 1,531.14
  4. Step 4: Simplify right side
    2,650.39x = 5,600,886.83
  5. Step 5: Solve for x
    x = 5,600,886.83/2,650.39
  6. Step 6: Final answer
    x = 2,113.23

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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.