Home / 3,386.88-5,079.22-1,077.84

Finding the Fourth Proportional to 3,386.88, 5,079.22 and 1,077.84

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Solution

The fourth proportional to 3,386.88, 5,079.22 and 1,077.84 is: 1,616.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,386.88 : 5,079.22 = 1,077.84 : x
  2. Step 2: Convert to fraction form
    3,386.88/5,079.22 = 1,077.84/x
  3. Step 3: Cross multiply
    3,386.88x = 5,079.22 × 1,077.84
  4. Step 4: Simplify right side
    3,386.88x = 5,474,586.48
  5. Step 5: Solve for x
    x = 5,474,586.48/3,386.88
  6. Step 6: Final answer
    x = 1,616.41

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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.