Home / 2,711.36-4,066.08-1,172

Finding the Fourth Proportional to 2,711.36, 4,066.08 and 1,172

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Solution

The fourth proportional to 2,711.36, 4,066.08 and 1,172 is: 1,757.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,711.36 : 4,066.08 = 1,172 : x
  2. Step 2: Convert to fraction form
    2,711.36/4,066.08 = 1,172/x
  3. Step 3: Cross multiply
    2,711.36x = 4,066.08 × 1,172
  4. Step 4: Simplify right side
    2,711.36x = 4,765,445.76
  5. Step 5: Solve for x
    x = 4,765,445.76/2,711.36
  6. Step 6: Final answer
    x = 1,757.59

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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.