Home / 3,977.05-5,488.08-2,298.19

Finding the Fourth Proportional to 3,977.05, 5,488.08 and 2,298.19

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Solution

The fourth proportional to 3,977.05, 5,488.08 and 2,298.19 is: 3,171.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,977.05 : 5,488.08 = 2,298.19 : x
  2. Step 2: Convert to fraction form
    3,977.05/5,488.08 = 2,298.19/x
  3. Step 3: Cross multiply
    3,977.05x = 5,488.08 × 2,298.19
  4. Step 4: Simplify right side
    3,977.05x = 12,612,611.64
  5. Step 5: Solve for x
    x = 12,612,611.64/3,977.05
  6. Step 6: Final answer
    x = 3,171.35

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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.