Home / 2,531.11-3,499.46-1,943.59

Finding the Fourth Proportional to 2,531.11, 3,499.46 and 1,943.59

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Solution

The fourth proportional to 2,531.11, 3,499.46 and 1,943.59 is: 2,687.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,531.11 : 3,499.46 = 1,943.59 : x
  2. Step 2: Convert to fraction form
    2,531.11/3,499.46 = 1,943.59/x
  3. Step 3: Cross multiply
    2,531.11x = 3,499.46 × 1,943.59
  4. Step 4: Simplify right side
    2,531.11x = 6,801,515.46
  5. Step 5: Solve for x
    x = 6,801,515.46/2,531.11
  6. Step 6: Final answer
    x = 2,687.17

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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.