Home / 3,152.25-4,350.11-1,755.33

Finding the Fourth Proportional to 3,152.25, 4,350.11 and 1,755.33

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Solution

The fourth proportional to 3,152.25, 4,350.11 and 1,755.33 is: 2,422.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,152.25 : 4,350.11 = 1,755.33 : x
  2. Step 2: Convert to fraction form
    3,152.25/4,350.11 = 1,755.33/x
  3. Step 3: Cross multiply
    3,152.25x = 4,350.11 × 1,755.33
  4. Step 4: Simplify right side
    3,152.25x = 7,635,869.81
  5. Step 5: Solve for x
    x = 7,635,869.81/3,152.25
  6. Step 6: Final answer
    x = 2,422.36

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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.