Home / 3,618.90-4,994.19-2,440.26

Finding the Fourth Proportional to 3,618.90, 4,994.19 and 2,440.26

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Solution

The fourth proportional to 3,618.90, 4,994.19 and 2,440.26 is: 3,367.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,618.90 : 4,994.19 = 2,440.26 : x
  2. Step 2: Convert to fraction form
    3,618.90/4,994.19 = 2,440.26/x
  3. Step 3: Cross multiply
    3,618.90x = 4,994.19 × 2,440.26
  4. Step 4: Simplify right side
    3,618.90x = 12,187,122.09
  5. Step 5: Solve for x
    x = 12,187,122.09/3,618.90
  6. Step 6: Final answer
    x = 3,367.63

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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.