Home / 2,418.63-3,337.94-1,424.22

Finding the Fourth Proportional to 2,418.63, 3,337.94 and 1,424.22

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Solution

The fourth proportional to 2,418.63, 3,337.94 and 1,424.22 is: 1,965.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,418.63 : 3,337.94 = 1,424.22 : x
  2. Step 2: Convert to fraction form
    2,418.63/3,337.94 = 1,424.22/x
  3. Step 3: Cross multiply
    2,418.63x = 3,337.94 × 1,424.22
  4. Step 4: Simplify right side
    2,418.63x = 4,753,951.95
  5. Step 5: Solve for x
    x = 4,753,951.95/2,418.63
  6. Step 6: Final answer
    x = 1,965.56

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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.