Home / 4,221.09-5,825.10-2,332.80

Finding the Fourth Proportional to 4,221.09, 5,825.10 and 2,332.80

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Solution

The fourth proportional to 4,221.09, 5,825.10 and 2,332.80 is: 3,219.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,221.09 : 5,825.10 = 2,332.80 : x
  2. Step 2: Convert to fraction form
    4,221.09/5,825.10 = 2,332.80/x
  3. Step 3: Cross multiply
    4,221.09x = 5,825.10 × 2,332.80
  4. Step 4: Simplify right side
    4,221.09x = 13,588,793.28
  5. Step 5: Solve for x
    x = 13,588,793.28/4,221.09
  6. Step 6: Final answer
    x = 3,219.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.