Home / 2,272.60-3,403.14-1,245.40

Finding the Fourth Proportional to 2,272.60, 3,403.14 and 1,245.40

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Solution

The fourth proportional to 2,272.60, 3,403.14 and 1,245.40 is: 1,864.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,272.60 : 3,403.14 = 1,245.40 : x
  2. Step 2: Convert to fraction form
    2,272.60/3,403.14 = 1,245.40/x
  3. Step 3: Cross multiply
    2,272.60x = 3,403.14 × 1,245.40
  4. Step 4: Simplify right side
    2,272.60x = 4,238,270.56
  5. Step 5: Solve for x
    x = 4,238,270.56/2,272.60
  6. Step 6: Final answer
    x = 1,864.94

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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.