Home / 2,218.05-3,058.97-1,775.79

Finding the Fourth Proportional to 2,218.05, 3,058.97 and 1,775.79

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Solution

The fourth proportional to 2,218.05, 3,058.97 and 1,775.79 is: 2,449.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,218.05 : 3,058.97 = 1,775.79 : x
  2. Step 2: Convert to fraction form
    2,218.05/3,058.97 = 1,775.79/x
  3. Step 3: Cross multiply
    2,218.05x = 3,058.97 × 1,775.79
  4. Step 4: Simplify right side
    2,218.05x = 5,432,079.46
  5. Step 5: Solve for x
    x = 5,432,079.46/2,218.05
  6. Step 6: Final answer
    x = 2,449.03

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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.