Home / 2,519.16-3,778.80-875.88

Finding the Fourth Proportional to 2,519.16, 3,778.80 and 875.88

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Solution

The fourth proportional to 2,519.16, 3,778.80 and 875.88 is: 1,313.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,519.16 : 3,778.80 = 875.88 : x
  2. Step 2: Convert to fraction form
    2,519.16/3,778.80 = 875.88/x
  3. Step 3: Cross multiply
    2,519.16x = 3,778.80 × 875.88
  4. Step 4: Simplify right side
    2,519.16x = 3,309,775.34
  5. Step 5: Solve for x
    x = 3,309,775.34/2,519.16
  6. Step 6: Final answer
    x = 1,313.84

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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.