Home / 2,240.10-3,360.15-2,225.70

Finding the Fourth Proportional to 2,240.10, 3,360.15 and 2,225.70

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Solution

The fourth proportional to 2,240.10, 3,360.15 and 2,225.70 is: 3,338.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,240.10 : 3,360.15 = 2,225.70 : x
  2. Step 2: Convert to fraction form
    2,240.10/3,360.15 = 2,225.70/x
  3. Step 3: Cross multiply
    2,240.10x = 3,360.15 × 2,225.70
  4. Step 4: Simplify right side
    2,240.10x = 7,478,685.86
  5. Step 5: Solve for x
    x = 7,478,685.86/2,240.10
  6. Step 6: Final answer
    x = 3,338.55

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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.