Home / 2,302.20-3,471.30-2,221.20

Finding the Fourth Proportional to 2,302.20, 3,471.30 and 2,221.20

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Solution

The fourth proportional to 2,302.20, 3,471.30 and 2,221.20 is: 3,349.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,302.20 : 3,471.30 = 2,221.20 : x
  2. Step 2: Convert to fraction form
    2,302.20/3,471.30 = 2,221.20/x
  3. Step 3: Cross multiply
    2,302.20x = 3,471.30 × 2,221.20
  4. Step 4: Simplify right side
    2,302.20x = 7,710,451.56
  5. Step 5: Solve for x
    x = 7,710,451.56/2,302.20
  6. Step 6: Final answer
    x = 3,349.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.