Home / 3,519.24-5,278.76-2,040.64

Finding the Fourth Proportional to 3,519.24, 5,278.76 and 2,040.64

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Solution

The fourth proportional to 3,519.24, 5,278.76 and 2,040.64 is: 3,060.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,519.24 : 5,278.76 = 2,040.64 : x
  2. Step 2: Convert to fraction form
    3,519.24/5,278.76 = 2,040.64/x
  3. Step 3: Cross multiply
    3,519.24x = 5,278.76 × 2,040.64
  4. Step 4: Simplify right side
    3,519.24x = 10,772,048.81
  5. Step 5: Solve for x
    x = 10,772,048.81/3,519.24
  6. Step 6: Final answer
    x = 3,060.90

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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.