Home / 2,650.56-3,657.65-1,531.53

Finding the Fourth Proportional to 2,650.56, 3,657.65 and 1,531.53

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Solution

The fourth proportional to 2,650.56, 3,657.65 and 1,531.53 is: 2,113.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,650.56 : 3,657.65 = 1,531.53 : x
  2. Step 2: Convert to fraction form
    2,650.56/3,657.65 = 1,531.53/x
  3. Step 3: Cross multiply
    2,650.56x = 3,657.65 × 1,531.53
  4. Step 4: Simplify right side
    2,650.56x = 5,601,793.05
  5. Step 5: Solve for x
    x = 5,601,793.05/2,650.56
  6. Step 6: Final answer
    x = 2,113.44

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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.