Home / 3,180.59-4,387.01-2,238.36

Finding the Fourth Proportional to 3,180.59, 4,387.01 and 2,238.36

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Solution

The fourth proportional to 3,180.59, 4,387.01 and 2,238.36 is: 3,087.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180.59 : 4,387.01 = 2,238.36 : x
  2. Step 2: Convert to fraction form
    3,180.59/4,387.01 = 2,238.36/x
  3. Step 3: Cross multiply
    3,180.59x = 4,387.01 × 2,238.36
  4. Step 4: Simplify right side
    3,180.59x = 9,819,707.70
  5. Step 5: Solve for x
    x = 9,819,707.70/3,180.59
  6. Step 6: Final answer
    x = 3,087.39

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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.