Home / 2,625.20-3,622.80-1,446.24

Finding the Fourth Proportional to 2,625.20, 3,622.80 and 1,446.24

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Solution

The fourth proportional to 2,625.20, 3,622.80 and 1,446.24 is: 1,995.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,625.20 : 3,622.80 = 1,446.24 : x
  2. Step 2: Convert to fraction form
    2,625.20/3,622.80 = 1,446.24/x
  3. Step 3: Cross multiply
    2,625.20x = 3,622.80 × 1,446.24
  4. Step 4: Simplify right side
    2,625.20x = 5,239,438.27
  5. Step 5: Solve for x
    x = 5,239,438.27/2,625.20
  6. Step 6: Final answer
    x = 1,995.82

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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.