Home / 2,908.09-4,355.11-2,031.47

Finding the Fourth Proportional to 2,908.09, 4,355.11 and 2,031.47

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Solution

The fourth proportional to 2,908.09, 4,355.11 and 2,031.47 is: 3,042.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,908.09 : 4,355.11 = 2,031.47 : x
  2. Step 2: Convert to fraction form
    2,908.09/4,355.11 = 2,031.47/x
  3. Step 3: Cross multiply
    2,908.09x = 4,355.11 × 2,031.47
  4. Step 4: Simplify right side
    2,908.09x = 8,847,275.31
  5. Step 5: Solve for x
    x = 8,847,275.31/2,908.09
  6. Step 6: Final answer
    x = 3,042.30

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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.