Home / 2,711.15-4,066.67-1,066.55

Finding the Fourth Proportional to 2,711.15, 4,066.67 and 1,066.55

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Solution

The fourth proportional to 2,711.15, 4,066.67 and 1,066.55 is: 1,599.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,711.15 : 4,066.67 = 1,066.55 : x
  2. Step 2: Convert to fraction form
    2,711.15/4,066.67 = 1,066.55/x
  3. Step 3: Cross multiply
    2,711.15x = 4,066.67 × 1,066.55
  4. Step 4: Simplify right side
    2,711.15x = 4,337,281.22
  5. Step 5: Solve for x
    x = 4,337,281.22/2,711.15
  6. Step 6: Final answer
    x = 1,599.80

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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.