Home / 3,612.05-4,986.23-2,418.92

Finding the Fourth Proportional to 3,612.05, 4,986.23 and 2,418.92

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Solution

The fourth proportional to 3,612.05, 4,986.23 and 2,418.92 is: 3,339.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612.05 : 4,986.23 = 2,418.92 : x
  2. Step 2: Convert to fraction form
    3,612.05/4,986.23 = 2,418.92/x
  3. Step 3: Cross multiply
    3,612.05x = 4,986.23 × 2,418.92
  4. Step 4: Simplify right side
    3,612.05x = 12,061,254.45
  5. Step 5: Solve for x
    x = 12,061,254.45/3,612.05
  6. Step 6: Final answer
    x = 3,339.18

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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.