Home / 2,677.60-4,013.70-1,217.80

Finding the Fourth Proportional to 2,677.60, 4,013.70 and 1,217.80

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Solution

The fourth proportional to 2,677.60, 4,013.70 and 1,217.80 is: 1,825.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,677.60 : 4,013.70 = 1,217.80 : x
  2. Step 2: Convert to fraction form
    2,677.60/4,013.70 = 1,217.80/x
  3. Step 3: Cross multiply
    2,677.60x = 4,013.70 × 1,217.80
  4. Step 4: Simplify right side
    2,677.60x = 4,887,883.86
  5. Step 5: Solve for x
    x = 4,887,883.86/2,677.60
  6. Step 6: Final answer
    x = 1,825.47

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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.