Home / 4,000.32-5,519.56-2,320.76

Finding the Fourth Proportional to 4,000.32, 5,519.56 and 2,320.76

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Solution

The fourth proportional to 4,000.32, 5,519.56 and 2,320.76 is: 3,202.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,000.32 : 5,519.56 = 2,320.76 : x
  2. Step 2: Convert to fraction form
    4,000.32/5,519.56 = 2,320.76/x
  3. Step 3: Cross multiply
    4,000.32x = 5,519.56 × 2,320.76
  4. Step 4: Simplify right side
    4,000.32x = 12,809,545.02
  5. Step 5: Solve for x
    x = 12,809,545.02/4,000.32
  6. Step 6: Final answer
    x = 3,202.13

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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.