Home / 2,217.76-3,326.64-1,350.40

Finding the Fourth Proportional to 2,217.76, 3,326.64 and 1,350.40

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Solution

The fourth proportional to 2,217.76, 3,326.64 and 1,350.40 is: 2,025.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,217.76 : 3,326.64 = 1,350.40 : x
  2. Step 2: Convert to fraction form
    2,217.76/3,326.64 = 1,350.40/x
  3. Step 3: Cross multiply
    2,217.76x = 3,326.64 × 1,350.40
  4. Step 4: Simplify right side
    2,217.76x = 4,492,294.66
  5. Step 5: Solve for x
    x = 4,492,294.66/2,217.76
  6. Step 6: Final answer
    x = 2,025.60

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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.