Home / 2,418.20-3,625.95-1,118.06

Finding the Fourth Proportional to 2,418.20, 3,625.95 and 1,118.06

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Solution

The fourth proportional to 2,418.20, 3,625.95 and 1,118.06 is: 1,676.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,418.20 : 3,625.95 = 1,118.06 : x
  2. Step 2: Convert to fraction form
    2,418.20/3,625.95 = 1,118.06/x
  3. Step 3: Cross multiply
    2,418.20x = 3,625.95 × 1,118.06
  4. Step 4: Simplify right side
    2,418.20x = 4,054,029.66
  5. Step 5: Solve for x
    x = 4,054,029.66/2,418.20
  6. Step 6: Final answer
    x = 1,676.47

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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.