Home / 2,497.20-3,740.40-2,223.60

Finding the Fourth Proportional to 2,497.20, 3,740.40 and 2,223.60

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Solution

The fourth proportional to 2,497.20, 3,740.40 and 2,223.60 is: 3,330.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,497.20 : 3,740.40 = 2,223.60 : x
  2. Step 2: Convert to fraction form
    2,497.20/3,740.40 = 2,223.60/x
  3. Step 3: Cross multiply
    2,497.20x = 3,740.40 × 2,223.60
  4. Step 4: Simplify right side
    2,497.20x = 8,317,153.44
  5. Step 5: Solve for x
    x = 8,317,153.44/2,497.20
  6. Step 6: Final answer
    x = 3,330.59

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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.