Home / 2,801.68-4,199.26-1,156.12

Finding the Fourth Proportional to 2,801.68, 4,199.26 and 1,156.12

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Solution

The fourth proportional to 2,801.68, 4,199.26 and 1,156.12 is: 1,732.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,801.68 : 4,199.26 = 1,156.12 : x
  2. Step 2: Convert to fraction form
    2,801.68/4,199.26 = 1,156.12/x
  3. Step 3: Cross multiply
    2,801.68x = 4,199.26 × 1,156.12
  4. Step 4: Simplify right side
    2,801.68x = 4,854,848.47
  5. Step 5: Solve for x
    x = 4,854,848.47/2,801.68
  6. Step 6: Final answer
    x = 1,732.83

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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.