Home / 3,977.35-5,489.56-2,298.53

Finding the Fourth Proportional to 3,977.35, 5,489.56 and 2,298.53

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Solution

The fourth proportional to 3,977.35, 5,489.56 and 2,298.53 is: 3,172.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,977.35 : 5,489.56 = 2,298.53 : x
  2. Step 2: Convert to fraction form
    3,977.35/5,489.56 = 2,298.53/x
  3. Step 3: Cross multiply
    3,977.35x = 5,489.56 × 2,298.53
  4. Step 4: Simplify right side
    3,977.35x = 12,617,891.14
  5. Step 5: Solve for x
    x = 12,617,891.14/3,977.35
  6. Step 6: Final answer
    x = 3,172.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.