Home / 3,778.98-5,668.47-1,471.02

Finding the Fourth Proportional to 3,778.98, 5,668.47 and 1,471.02

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Solution

The fourth proportional to 3,778.98, 5,668.47 and 1,471.02 is: 2,206.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,778.98 : 5,668.47 = 1,471.02 : x
  2. Step 2: Convert to fraction form
    3,778.98/5,668.47 = 1,471.02/x
  3. Step 3: Cross multiply
    3,778.98x = 5,668.47 × 1,471.02
  4. Step 4: Simplify right side
    3,778.98x = 8,338,432.74
  5. Step 5: Solve for x
    x = 8,338,432.74/3,778.98
  6. Step 6: Final answer
    x = 2,206.53

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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.