Home / 2,913.92-4,366.08-2,090.88

Finding the Fourth Proportional to 2,913.92, 4,366.08 and 2,090.88

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Solution

The fourth proportional to 2,913.92, 4,366.08 and 2,090.88 is: 3,132.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913.92 : 4,366.08 = 2,090.88 : x
  2. Step 2: Convert to fraction form
    2,913.92/4,366.08 = 2,090.88/x
  3. Step 3: Cross multiply
    2,913.92x = 4,366.08 × 2,090.88
  4. Step 4: Simplify right side
    2,913.92x = 9,128,949.35
  5. Step 5: Solve for x
    x = 9,128,949.35/2,913.92
  6. Step 6: Final answer
    x = 3,132.88

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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.