Home / 3,081.57-4,252.01-1,822.00

Finding the Fourth Proportional to 3,081.57, 4,252.01 and 1,822.00

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Solution

The fourth proportional to 3,081.57, 4,252.01 and 1,822.00 is: 2,514.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081.57 : 4,252.01 = 1,822.00 : x
  2. Step 2: Convert to fraction form
    3,081.57/4,252.01 = 1,822.00/x
  3. Step 3: Cross multiply
    3,081.57x = 4,252.01 × 1,822.00
  4. Step 4: Simplify right side
    3,081.57x = 7,747,156.14
  5. Step 5: Solve for x
    x = 7,747,156.14/3,081.57
  6. Step 6: Final answer
    x = 2,514.03

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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.