Home / 2,232.03-3,080.18-1,223.75

Finding the Fourth Proportional to 2,232.03, 3,080.18 and 1,223.75

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Solution

The fourth proportional to 2,232.03, 3,080.18 and 1,223.75 is: 1,688.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,232.03 : 3,080.18 = 1,223.75 : x
  2. Step 2: Convert to fraction form
    2,232.03/3,080.18 = 1,223.75/x
  3. Step 3: Cross multiply
    2,232.03x = 3,080.18 × 1,223.75
  4. Step 4: Simplify right side
    2,232.03x = 3,769,370.28
  5. Step 5: Solve for x
    x = 3,769,370.28/2,232.03
  6. Step 6: Final answer
    x = 1,688.76

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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.