Home / 2,218.19-3,325.05-1,486.08

Finding the Fourth Proportional to 2,218.19, 3,325.05 and 1,486.08

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Solution

The fourth proportional to 2,218.19, 3,325.05 and 1,486.08 is: 2,227.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,218.19 : 3,325.05 = 1,486.08 : x
  2. Step 2: Convert to fraction form
    2,218.19/3,325.05 = 1,486.08/x
  3. Step 3: Cross multiply
    2,218.19x = 3,325.05 × 1,486.08
  4. Step 4: Simplify right side
    2,218.19x = 4,941,290.30
  5. Step 5: Solve for x
    x = 4,941,290.30/2,218.19
  6. Step 6: Final answer
    x = 2,227.63

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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.