Home / 2,566.50-3,540.66-1,571.40

Finding the Fourth Proportional to 2,566.50, 3,540.66 and 1,571.40

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Solution

The fourth proportional to 2,566.50, 3,540.66 and 1,571.40 is: 2,167.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,566.50 : 3,540.66 = 1,571.40 : x
  2. Step 2: Convert to fraction form
    2,566.50/3,540.66 = 1,571.40/x
  3. Step 3: Cross multiply
    2,566.50x = 3,540.66 × 1,571.40
  4. Step 4: Simplify right side
    2,566.50x = 5,563,793.12
  5. Step 5: Solve for x
    x = 5,563,793.12/2,566.50
  6. Step 6: Final answer
    x = 2,167.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.