Home / 3,977.62-5,488.51-2,298.70

Finding the Fourth Proportional to 3,977.62, 5,488.51 and 2,298.70

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Solution

The fourth proportional to 3,977.62, 5,488.51 and 2,298.70 is: 3,171.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,977.62 : 5,488.51 = 2,298.70 : x
  2. Step 2: Convert to fraction form
    3,977.62/5,488.51 = 2,298.70/x
  3. Step 3: Cross multiply
    3,977.62x = 5,488.51 × 2,298.70
  4. Step 4: Simplify right side
    3,977.62x = 12,616,441.33
  5. Step 5: Solve for x
    x = 12,616,441.33/3,977.62
  6. Step 6: Final answer
    x = 3,171.86

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1.5x scale

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.