Home / 2,232.45-3,080.97-1,238.04

Finding the Fourth Proportional to 2,232.45, 3,080.97 and 1,238.04

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Solution

The fourth proportional to 2,232.45, 3,080.97 and 1,238.04 is: 1,708.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,232.45 : 3,080.97 = 1,238.04 : x
  2. Step 2: Convert to fraction form
    2,232.45/3,080.97 = 1,238.04/x
  3. Step 3: Cross multiply
    2,232.45x = 3,080.97 × 1,238.04
  4. Step 4: Simplify right side
    2,232.45x = 3,814,364.10
  5. Step 5: Solve for x
    x = 3,814,364.10/2,232.45
  6. Step 6: Final answer
    x = 1,708.60

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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.