Home / 3,124.85-4,663.17-2,796.80

Finding the Fourth Proportional to 3,124.85, 4,663.17 and 2,796.80

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Solution

The fourth proportional to 3,124.85, 4,663.17 and 2,796.80 is: 4,173.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124.85 : 4,663.17 = 2,796.80 : x
  2. Step 2: Convert to fraction form
    3,124.85/4,663.17 = 2,796.80/x
  3. Step 3: Cross multiply
    3,124.85x = 4,663.17 × 2,796.80
  4. Step 4: Simplify right side
    3,124.85x = 13,041,930.54
  5. Step 5: Solve for x
    x = 13,041,930.54/3,124.85
  6. Step 6: Final answer
    x = 4,173.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.