Home / 2,281.16-3,428.15-1,356.88

Finding the Fourth Proportional to 2,281.16, 3,428.15 and 1,356.88

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Solution

The fourth proportional to 2,281.16, 3,428.15 and 1,356.88 is: 2,039.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,281.16 : 3,428.15 = 1,356.88 : x
  2. Step 2: Convert to fraction form
    2,281.16/3,428.15 = 1,356.88/x
  3. Step 3: Cross multiply
    2,281.16x = 3,428.15 × 1,356.88
  4. Step 4: Simplify right side
    2,281.16x = 4,651,581.39
  5. Step 5: Solve for x
    x = 4,651,581.39/2,281.16
  6. Step 6: Final answer
    x = 2,039.13

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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.