Home / 3,152.73-4,350.78-1,755.48

Finding the Fourth Proportional to 3,152.73, 4,350.78 and 1,755.48

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Solution

The fourth proportional to 3,152.73, 4,350.78 and 1,755.48 is: 2,422.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,152.73 : 4,350.78 = 1,755.48 : x
  2. Step 2: Convert to fraction form
    3,152.73/4,350.78 = 1,755.48/x
  3. Step 3: Cross multiply
    3,152.73x = 4,350.78 × 1,755.48
  4. Step 4: Simplify right side
    3,152.73x = 7,637,707.27
  5. Step 5: Solve for x
    x = 7,637,707.27/3,152.73
  6. Step 6: Final answer
    x = 2,422.57

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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.