Home / 3,359.88-5,031.30-2,810.70

Finding the Fourth Proportional to 3,359.88, 5,031.30 and 2,810.70

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Solution

The fourth proportional to 3,359.88, 5,031.30 and 2,810.70 is: 4,208.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,359.88 : 5,031.30 = 2,810.70 : x
  2. Step 2: Convert to fraction form
    3,359.88/5,031.30 = 2,810.70/x
  3. Step 3: Cross multiply
    3,359.88x = 5,031.30 × 2,810.70
  4. Step 4: Simplify right side
    3,359.88x = 14,141,474.91
  5. Step 5: Solve for x
    x = 14,141,474.91/3,359.88
  6. Step 6: Final answer
    x = 4,208.92

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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.