Home / 2,959.47-4,439.36-2,811.82

Finding the Fourth Proportional to 2,959.47, 4,439.36 and 2,811.82

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Solution

The fourth proportional to 2,959.47, 4,439.36 and 2,811.82 is: 4,217.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,959.47 : 4,439.36 = 2,811.82 : x
  2. Step 2: Convert to fraction form
    2,959.47/4,439.36 = 2,811.82/x
  3. Step 3: Cross multiply
    2,959.47x = 4,439.36 × 2,811.82
  4. Step 4: Simplify right side
    2,959.47x = 12,482,681.24
  5. Step 5: Solve for x
    x = 12,482,681.24/2,959.47
  6. Step 6: Final answer
    x = 4,217.88

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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.