Home / 2,766.60-4,153.80-2,217.06

Finding the Fourth Proportional to 2,766.60, 4,153.80 and 2,217.06

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Solution

The fourth proportional to 2,766.60, 4,153.80 and 2,217.06 is: 3,328.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,766.60 : 4,153.80 = 2,217.06 : x
  2. Step 2: Convert to fraction form
    2,766.60/4,153.80 = 2,217.06/x
  3. Step 3: Cross multiply
    2,766.60x = 4,153.80 × 2,217.06
  4. Step 4: Simplify right side
    2,766.60x = 9,209,223.83
  5. Step 5: Solve for x
    x = 9,209,223.83/2,766.60
  6. Step 6: Final answer
    x = 3,328.72

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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.