Home / 2,756.62-4,131.28-2,022.76

Finding the Fourth Proportional to 2,756.62, 4,131.28 and 2,022.76

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Solution

The fourth proportional to 2,756.62, 4,131.28 and 2,022.76 is: 3,031.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,756.62 : 4,131.28 = 2,022.76 : x
  2. Step 2: Convert to fraction form
    2,756.62/4,131.28 = 2,022.76/x
  3. Step 3: Cross multiply
    2,756.62x = 4,131.28 × 2,022.76
  4. Step 4: Simplify right side
    2,756.62x = 8,356,587.93
  5. Step 5: Solve for x
    x = 8,356,587.93/2,756.62
  6. Step 6: Final answer
    x = 3,031.46

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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.