Home / 3,726.48-5,591.94-1,386.09

Finding the Fourth Proportional to 3,726.48, 5,591.94 and 1,386.09

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Solution

The fourth proportional to 3,726.48, 5,591.94 and 1,386.09 is: 2,079.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,726.48 : 5,591.94 = 1,386.09 : x
  2. Step 2: Convert to fraction form
    3,726.48/5,591.94 = 1,386.09/x
  3. Step 3: Cross multiply
    3,726.48x = 5,591.94 × 1,386.09
  4. Step 4: Simplify right side
    3,726.48x = 7,750,932.11
  5. Step 5: Solve for x
    x = 7,750,932.11/3,726.48
  6. Step 6: Final answer
    x = 2,079.96

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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.