Home / 2,730.24-3,767.88-2,065.92

Finding the Fourth Proportional to 2,730.24, 3,767.88 and 2,065.92

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Solution

The fourth proportional to 2,730.24, 3,767.88 and 2,065.92 is: 2,851.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,730.24 : 3,767.88 = 2,065.92 : x
  2. Step 2: Convert to fraction form
    2,730.24/3,767.88 = 2,065.92/x
  3. Step 3: Cross multiply
    2,730.24x = 3,767.88 × 2,065.92
  4. Step 4: Simplify right side
    2,730.24x = 7,784,138.65
  5. Step 5: Solve for x
    x = 7,784,138.65/2,730.24
  6. Step 6: Final answer
    x = 2,851.08

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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.