Home / 2,711.18-4,066.90-1,322.87

Finding the Fourth Proportional to 2,711.18, 4,066.90 and 1,322.87

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Solution

The fourth proportional to 2,711.18, 4,066.90 and 1,322.87 is: 1,984.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,711.18 : 4,066.90 = 1,322.87 : x
  2. Step 2: Convert to fraction form
    2,711.18/4,066.90 = 1,322.87/x
  3. Step 3: Cross multiply
    2,711.18x = 4,066.90 × 1,322.87
  4. Step 4: Simplify right side
    2,711.18x = 5,379,956.36
  5. Step 5: Solve for x
    x = 5,379,956.36/2,711.18
  6. Step 6: Final answer
    x = 1,984.36

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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.