Home / 2,281.19-3,428.19-1,356.91

Finding the Fourth Proportional to 2,281.19, 3,428.19 and 1,356.91

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Solution

The fourth proportional to 2,281.19, 3,428.19 and 1,356.91 is: 2,039.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,281.19 : 3,428.19 = 1,356.91 : x
  2. Step 2: Convert to fraction form
    2,281.19/3,428.19 = 1,356.91/x
  3. Step 3: Cross multiply
    2,281.19x = 3,428.19 × 1,356.91
  4. Step 4: Simplify right side
    2,281.19x = 4,651,745.29
  5. Step 5: Solve for x
    x = 4,651,745.29/2,281.19
  6. Step 6: Final answer
    x = 2,039.17

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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.