Home / 3,780.27-5,668.17-1,146.98

Finding the Fourth Proportional to 3,780.27, 5,668.17 and 1,146.98

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Solution

The fourth proportional to 3,780.27, 5,668.17 and 1,146.98 is: 1,719.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,780.27 : 5,668.17 = 1,146.98 : x
  2. Step 2: Convert to fraction form
    3,780.27/5,668.17 = 1,146.98/x
  3. Step 3: Cross multiply
    3,780.27x = 5,668.17 × 1,146.98
  4. Step 4: Simplify right side
    3,780.27x = 6,501,277.63
  5. Step 5: Solve for x
    x = 6,501,277.63/3,780.27
  6. Step 6: Final answer
    x = 1,719.79

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1.5x scale

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.