Home / 3,726.90-5,586.66-1,385.16

Finding the Fourth Proportional to 3,726.90, 5,586.66 and 1,385.16

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Solution

The fourth proportional to 3,726.90, 5,586.66 and 1,385.16 is: 2,076.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,726.90 : 5,586.66 = 1,385.16 : x
  2. Step 2: Convert to fraction form
    3,726.90/5,586.66 = 1,385.16/x
  3. Step 3: Cross multiply
    3,726.90x = 5,586.66 × 1,385.16
  4. Step 4: Simplify right side
    3,726.90x = 7,738,417.97
  5. Step 5: Solve for x
    x = 7,738,417.97/3,726.90
  6. Step 6: Final answer
    x = 2,076.37

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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.