Home / 2,524.47-3,481.80-1,640.57

Finding the Fourth Proportional to 2,524.47, 3,481.80 and 1,640.57

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Solution

The fourth proportional to 2,524.47, 3,481.80 and 1,640.57 is: 2,262.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,524.47 : 3,481.80 = 1,640.57 : x
  2. Step 2: Convert to fraction form
    2,524.47/3,481.80 = 1,640.57/x
  3. Step 3: Cross multiply
    2,524.47x = 3,481.80 × 1,640.57
  4. Step 4: Simplify right side
    2,524.47x = 5,712,119.22
  5. Step 5: Solve for x
    x = 5,712,119.22/2,524.47
  6. Step 6: Final answer
    x = 2,262.70

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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.