Home / 3,581.39-5,343.01-3,387.63

Finding the Fourth Proportional to 3,581.39, 5,343.01 and 3,387.63

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Solution

The fourth proportional to 3,581.39, 5,343.01 and 3,387.63 is: 5,053.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,581.39 : 5,343.01 = 3,387.63 : x
  2. Step 2: Convert to fraction form
    3,581.39/5,343.01 = 3,387.63/x
  3. Step 3: Cross multiply
    3,581.39x = 5,343.01 × 3,387.63
  4. Step 4: Simplify right side
    3,581.39x = 18,100,124.03
  5. Step 5: Solve for x
    x = 18,100,124.03/3,581.39
  6. Step 6: Final answer
    x = 5,053.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.