Home / 2,520.12-3,469.14-2,186.58

Finding the Fourth Proportional to 2,520.12, 3,469.14 and 2,186.58

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Solution

The fourth proportional to 2,520.12, 3,469.14 and 2,186.58 is: 3,010.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,520.12 : 3,469.14 = 2,186.58 : x
  2. Step 2: Convert to fraction form
    2,520.12/3,469.14 = 2,186.58/x
  3. Step 3: Cross multiply
    2,520.12x = 3,469.14 × 2,186.58
  4. Step 4: Simplify right side
    2,520.12x = 7,585,552.14
  5. Step 5: Solve for x
    x = 7,585,552.14/2,520.12
  6. Step 6: Final answer
    x = 3,010.00

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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.