Home / 2,650.15-3,657.38-1,531.13

Finding the Fourth Proportional to 2,650.15, 3,657.38 and 1,531.13

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Solution

The fourth proportional to 2,650.15, 3,657.38 and 1,531.13 is: 2,113.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,650.15 : 3,657.38 = 1,531.13 : x
  2. Step 2: Convert to fraction form
    2,650.15/3,657.38 = 1,531.13/x
  3. Step 3: Cross multiply
    2,650.15x = 3,657.38 × 1,531.13
  4. Step 4: Simplify right side
    2,650.15x = 5,599,925.73
  5. Step 5: Solve for x
    x = 5,599,925.73/2,650.15
  6. Step 6: Final answer
    x = 2,113.06

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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.