Home / 3,389.76-5,077.08-1,436.04

Finding the Fourth Proportional to 3,389.76, 5,077.08 and 1,436.04

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Solution

The fourth proportional to 3,389.76, 5,077.08 and 1,436.04 is: 2,150.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,389.76 : 5,077.08 = 1,436.04 : x
  2. Step 2: Convert to fraction form
    3,389.76/5,077.08 = 1,436.04/x
  3. Step 3: Cross multiply
    3,389.76x = 5,077.08 × 1,436.04
  4. Step 4: Simplify right side
    3,389.76x = 7,290,889.96
  5. Step 5: Solve for x
    x = 7,290,889.96/3,389.76
  6. Step 6: Final answer
    x = 2,150.86

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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.