Home / 2,418.16-3,626.66-1,118.38

Finding the Fourth Proportional to 2,418.16, 3,626.66 and 1,118.38

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Solution

The fourth proportional to 2,418.16, 3,626.66 and 1,118.38 is: 1,677.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,418.16 : 3,626.66 = 1,118.38 : x
  2. Step 2: Convert to fraction form
    2,418.16/3,626.66 = 1,118.38/x
  3. Step 3: Cross multiply
    2,418.16x = 3,626.66 × 1,118.38
  4. Step 4: Simplify right side
    2,418.16x = 4,055,984.01
  5. Step 5: Solve for x
    x = 4,055,984.01/2,418.16
  6. Step 6: Final answer
    x = 1,677.30

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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.