Home / 2,320.64-3,467.20-2,213.12

Finding the Fourth Proportional to 2,320.64, 3,467.20 and 2,213.12

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Solution

The fourth proportional to 2,320.64, 3,467.20 and 2,213.12 is: 3,306.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,320.64 : 3,467.20 = 2,213.12 : x
  2. Step 2: Convert to fraction form
    2,320.64/3,467.20 = 2,213.12/x
  3. Step 3: Cross multiply
    2,320.64x = 3,467.20 × 2,213.12
  4. Step 4: Simplify right side
    2,320.64x = 7,673,329.66
  5. Step 5: Solve for x
    x = 7,673,329.66/2,320.64
  6. Step 6: Final answer
    x = 3,306.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.