Home / 2,827.92-4,240.34-1,440.38

Finding the Fourth Proportional to 2,827.92, 4,240.34 and 1,440.38

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Solution

The fourth proportional to 2,827.92, 4,240.34 and 1,440.38 is: 2,159.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,827.92 : 4,240.34 = 1,440.38 : x
  2. Step 2: Convert to fraction form
    2,827.92/4,240.34 = 1,440.38/x
  3. Step 3: Cross multiply
    2,827.92x = 4,240.34 × 1,440.38
  4. Step 4: Simplify right side
    2,827.92x = 6,107,700.93
  5. Step 5: Solve for x
    x = 6,107,700.93/2,827.92
  6. Step 6: Final answer
    x = 2,159.79

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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.