Home / 3,977.12-5,488.92-2,298.53

Finding the Fourth Proportional to 3,977.12, 5,488.92 and 2,298.53

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Solution

The fourth proportional to 3,977.12, 5,488.92 and 2,298.53 is: 3,172.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,977.12 : 5,488.92 = 2,298.53 : x
  2. Step 2: Convert to fraction form
    3,977.12/5,488.92 = 2,298.53/x
  3. Step 3: Cross multiply
    3,977.12x = 5,488.92 × 2,298.53
  4. Step 4: Simplify right side
    3,977.12x = 12,616,461.01
  5. Step 5: Solve for x
    x = 12,616,461.01/3,977.12
  6. Step 6: Final answer
    x = 3,172.26

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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.