Home / 3,152.81-4,351.02-1,755.56

Finding the Fourth Proportional to 3,152.81, 4,351.02 and 1,755.56

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Solution

The fourth proportional to 3,152.81, 4,351.02 and 1,755.56 is: 2,422.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,152.81 : 4,351.02 = 1,755.56 : x
  2. Step 2: Convert to fraction form
    3,152.81/4,351.02 = 1,755.56/x
  3. Step 3: Cross multiply
    3,152.81x = 4,351.02 × 1,755.56
  4. Step 4: Simplify right side
    3,152.81x = 7,638,480.97
  5. Step 5: Solve for x
    x = 7,638,480.97/3,152.81
  6. Step 6: Final answer
    x = 2,422.75

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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.