Home / 2,727.10-4,090.65-1,340.65

Finding the Fourth Proportional to 2,727.10, 4,090.65 and 1,340.65

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Solution

The fourth proportional to 2,727.10, 4,090.65 and 1,340.65 is: 2,010.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,727.10 : 4,090.65 = 1,340.65 : x
  2. Step 2: Convert to fraction form
    2,727.10/4,090.65 = 1,340.65/x
  3. Step 3: Cross multiply
    2,727.10x = 4,090.65 × 1,340.65
  4. Step 4: Simplify right side
    2,727.10x = 5,484,129.92
  5. Step 5: Solve for x
    x = 5,484,129.92/2,727.10
  6. Step 6: Final answer
    x = 2,010.98

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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.