Home / 3,312.24-4,959.36-2,578.56

Finding the Fourth Proportional to 3,312.24, 4,959.36 and 2,578.56

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Solution

The fourth proportional to 3,312.24, 4,959.36 and 2,578.56 is: 3,860.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,312.24 : 4,959.36 = 2,578.56 : x
  2. Step 2: Convert to fraction form
    3,312.24/4,959.36 = 2,578.56/x
  3. Step 3: Cross multiply
    3,312.24x = 4,959.36 × 2,578.56
  4. Step 4: Simplify right side
    3,312.24x = 12,788,007.32
  5. Step 5: Solve for x
    x = 12,788,007.32/3,312.24
  6. Step 6: Final answer
    x = 3,860.83

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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.