Home / 3,132.88-4,323.96-2,239.04

Finding the Fourth Proportional to 3,132.88, 4,323.96 and 2,239.04

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Solution

The fourth proportional to 3,132.88, 4,323.96 and 2,239.04 is: 3,090.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.88 : 4,323.96 = 2,239.04 : x
  2. Step 2: Convert to fraction form
    3,132.88/4,323.96 = 2,239.04/x
  3. Step 3: Cross multiply
    3,132.88x = 4,323.96 × 2,239.04
  4. Step 4: Simplify right side
    3,132.88x = 9,681,519.40
  5. Step 5: Solve for x
    x = 9,681,519.40/3,132.88
  6. Step 6: Final answer
    x = 3,090.29

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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.