Home / 3,326.60-4,986.70-2,585.80

Finding the Fourth Proportional to 3,326.60, 4,986.70 and 2,585.80

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Solution

The fourth proportional to 3,326.60, 4,986.70 and 2,585.80 is: 3,876.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,326.60 : 4,986.70 = 2,585.80 : x
  2. Step 2: Convert to fraction form
    3,326.60/4,986.70 = 2,585.80/x
  3. Step 3: Cross multiply
    3,326.60x = 4,986.70 × 2,585.80
  4. Step 4: Simplify right side
    3,326.60x = 12,894,608.86
  5. Step 5: Solve for x
    x = 12,894,608.86/3,326.60
  6. Step 6: Final answer
    x = 3,876.21

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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.