Home / 3,039.88-4,195.03-1,642.63

Finding the Fourth Proportional to 3,039.88, 4,195.03 and 1,642.63

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Solution

The fourth proportional to 3,039.88, 4,195.03 and 1,642.63 is: 2,266.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,039.88 : 4,195.03 = 1,642.63 : x
  2. Step 2: Convert to fraction form
    3,039.88/4,195.03 = 1,642.63/x
  3. Step 3: Cross multiply
    3,039.88x = 4,195.03 × 1,642.63
  4. Step 4: Simplify right side
    3,039.88x = 6,890,882.13
  5. Step 5: Solve for x
    x = 6,890,882.13/3,039.88
  6. Step 6: Final answer
    x = 2,266.83

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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.