Home / 2,146.18-3,218.10-2,003.80

Finding the Fourth Proportional to 2,146.18, 3,218.10 and 2,003.80

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Solution

The fourth proportional to 2,146.18, 3,218.10 and 2,003.80 is: 3,004.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,146.18 : 3,218.10 = 2,003.80 : x
  2. Step 2: Convert to fraction form
    2,146.18/3,218.10 = 2,003.80/x
  3. Step 3: Cross multiply
    2,146.18x = 3,218.10 × 2,003.80
  4. Step 4: Simplify right side
    2,146.18x = 6,448,428.78
  5. Step 5: Solve for x
    x = 6,448,428.78/2,146.18
  6. Step 6: Final answer
    x = 3,004.61

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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.