Home / 1,632.20-2,255.99-1,193.18

Finding the Fourth Proportional to 1,632.20, 2,255.99 and 1,193.18

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Solution

The fourth proportional to 1,632.20, 2,255.99 and 1,193.18 is: 1,649.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,632.20 : 2,255.99 = 1,193.18 : x
  2. Step 2: Convert to fraction form
    1,632.20/2,255.99 = 1,193.18/x
  3. Step 3: Cross multiply
    1,632.20x = 2,255.99 × 1,193.18
  4. Step 4: Simplify right side
    1,632.20x = 2,691,784.90
  5. Step 5: Solve for x
    x = 2,691,784.90/1,632.20
  6. Step 6: Final answer
    x = 1,649.18

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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.