Home / 2,878.77-4,317.24-1,234.88

Finding the Fourth Proportional to 2,878.77, 4,317.24 and 1,234.88

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Solution

The fourth proportional to 2,878.77, 4,317.24 and 1,234.88 is: 1,851.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878.77 : 4,317.24 = 1,234.88 : x
  2. Step 2: Convert to fraction form
    2,878.77/4,317.24 = 1,234.88/x
  3. Step 3: Cross multiply
    2,878.77x = 4,317.24 × 1,234.88
  4. Step 4: Simplify right side
    2,878.77x = 5,331,251.75
  5. Step 5: Solve for x
    x = 5,331,251.75/2,878.77
  6. Step 6: Final answer
    x = 1,851.92

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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.