Home / 2,405.16-3,321.09-2,282.85

Finding the Fourth Proportional to 2,405.16, 3,321.09 and 2,282.85

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Solution

The fourth proportional to 2,405.16, 3,321.09 and 2,282.85 is: 3,152.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,405.16 : 3,321.09 = 2,282.85 : x
  2. Step 2: Convert to fraction form
    2,405.16/3,321.09 = 2,282.85/x
  3. Step 3: Cross multiply
    2,405.16x = 3,321.09 × 2,282.85
  4. Step 4: Simplify right side
    2,405.16x = 7,581,550.31
  5. Step 5: Solve for x
    x = 7,581,550.31/2,405.16
  6. Step 6: Final answer
    x = 3,152.20

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1.5x scale

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.