Home / 3,242.80-4,864.15-2,200.21

Finding the Fourth Proportional to 3,242.80, 4,864.15 and 2,200.21

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Solution

The fourth proportional to 3,242.80, 4,864.15 and 2,200.21 is: 3,300.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,242.80 : 4,864.15 = 2,200.21 : x
  2. Step 2: Convert to fraction form
    3,242.80/4,864.15 = 2,200.21/x
  3. Step 3: Cross multiply
    3,242.80x = 4,864.15 × 2,200.21
  4. Step 4: Simplify right side
    3,242.80x = 10,702,151.47
  5. Step 5: Solve for x
    x = 10,702,151.47/3,242.80
  6. Step 6: Final answer
    x = 3,300.28

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1.5x scale

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.