Home / 2,329.32-3,487.44-1,231.20

Finding the Fourth Proportional to 2,329.32, 3,487.44 and 1,231.20

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Solution

The fourth proportional to 2,329.32, 3,487.44 and 1,231.20 is: 1,843.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,329.32 : 3,487.44 = 1,231.20 : x
  2. Step 2: Convert to fraction form
    2,329.32/3,487.44 = 1,231.20/x
  3. Step 3: Cross multiply
    2,329.32x = 3,487.44 × 1,231.20
  4. Step 4: Simplify right side
    2,329.32x = 4,293,736.13
  5. Step 5: Solve for x
    x = 4,293,736.13/2,329.32
  6. Step 6: Final answer
    x = 1,843.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.