Home / 2,275.11-3,419.39-1,887.62

Finding the Fourth Proportional to 2,275.11, 3,419.39 and 1,887.62

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Solution

The fourth proportional to 2,275.11, 3,419.39 and 1,887.62 is: 2,837.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,275.11 : 3,419.39 = 1,887.62 : x
  2. Step 2: Convert to fraction form
    2,275.11/3,419.39 = 1,887.62/x
  3. Step 3: Cross multiply
    2,275.11x = 3,419.39 × 1,887.62
  4. Step 4: Simplify right side
    2,275.11x = 6,454,508.95
  5. Step 5: Solve for x
    x = 6,454,508.95/2,275.11
  6. Step 6: Final answer
    x = 2,837.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.