Home / 3,680.11-5,518.64-1,488.25

Finding the Fourth Proportional to 3,680.11, 5,518.64 and 1,488.25

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Solution

The fourth proportional to 3,680.11, 5,518.64 and 1,488.25 is: 2,231.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,680.11 : 5,518.64 = 1,488.25 : x
  2. Step 2: Convert to fraction form
    3,680.11/5,518.64 = 1,488.25/x
  3. Step 3: Cross multiply
    3,680.11x = 5,518.64 × 1,488.25
  4. Step 4: Simplify right side
    3,680.11x = 8,213,105.90
  5. Step 5: Solve for x
    x = 8,213,105.90/3,680.11
  6. Step 6: Final answer
    x = 2,231.76

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1.5x scale

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.