Home / 2,240.22-3,358.14-1,069.90

Finding the Fourth Proportional to 2,240.22, 3,358.14 and 1,069.90

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Solution

The fourth proportional to 2,240.22, 3,358.14 and 1,069.90 is: 1,603.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,240.22 : 3,358.14 = 1,069.90 : x
  2. Step 2: Convert to fraction form
    2,240.22/3,358.14 = 1,069.90/x
  3. Step 3: Cross multiply
    2,240.22x = 3,358.14 × 1,069.90
  4. Step 4: Simplify right side
    2,240.22x = 3,592,873.99
  5. Step 5: Solve for x
    x = 3,592,873.99/2,240.22
  6. Step 6: Final answer
    x = 1,603.80

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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.