Home / 2,760.08-4,132.89-2,320.31

Finding the Fourth Proportional to 2,760.08, 4,132.89 and 2,320.31

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Solution

The fourth proportional to 2,760.08, 4,132.89 and 2,320.31 is: 3,474.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,760.08 : 4,132.89 = 2,320.31 : x
  2. Step 2: Convert to fraction form
    2,760.08/4,132.89 = 2,320.31/x
  3. Step 3: Cross multiply
    2,760.08x = 4,132.89 × 2,320.31
  4. Step 4: Simplify right side
    2,760.08x = 9,589,596.33
  5. Step 5: Solve for x
    x = 9,589,596.33/2,760.08
  6. Step 6: Final answer
    x = 3,474.40

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1.5x scale

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.