Home / 2,238.81-3,358.44-1,068.61

Finding the Fourth Proportional to 2,238.81, 3,358.44 and 1,068.61

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Solution

The fourth proportional to 2,238.81, 3,358.44 and 1,068.61 is: 1,603.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,238.81 : 3,358.44 = 1,068.61 : x
  2. Step 2: Convert to fraction form
    2,238.81/3,358.44 = 1,068.61/x
  3. Step 3: Cross multiply
    2,238.81x = 3,358.44 × 1,068.61
  4. Step 4: Simplify right side
    2,238.81x = 3,588,862.57
  5. Step 5: Solve for x
    x = 3,588,862.57/2,238.81
  6. Step 6: Final answer
    x = 1,603.02

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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.