Home / 2,281.11-3,147.94-1,233.18

Finding the Fourth Proportional to 2,281.11, 3,147.94 and 1,233.18

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Solution

The fourth proportional to 2,281.11, 3,147.94 and 1,233.18 is: 1,701.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,281.11 : 3,147.94 = 1,233.18 : x
  2. Step 2: Convert to fraction form
    2,281.11/3,147.94 = 1,233.18/x
  3. Step 3: Cross multiply
    2,281.11x = 3,147.94 × 1,233.18
  4. Step 4: Simplify right side
    2,281.11x = 3,881,959.71
  5. Step 5: Solve for x
    x = 3,881,959.71/2,281.11
  6. Step 6: Final answer
    x = 1,701.78

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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.