Home / 2,872.68-4,309.37-1,023.99

Finding the Fourth Proportional to 2,872.68, 4,309.37 and 1,023.99

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Solution

The fourth proportional to 2,872.68, 4,309.37 and 1,023.99 is: 1,536.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,872.68 : 4,309.37 = 1,023.99 : x
  2. Step 2: Convert to fraction form
    2,872.68/4,309.37 = 1,023.99/x
  3. Step 3: Cross multiply
    2,872.68x = 4,309.37 × 1,023.99
  4. Step 4: Simplify right side
    2,872.68x = 4,412,751.79
  5. Step 5: Solve for x
    x = 4,412,751.79/2,872.68
  6. Step 6: Final answer
    x = 1,536.11

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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.