Home / 3,141.42-4,713.38-1,408.84

Finding the Fourth Proportional to 3,141.42, 4,713.38 and 1,408.84

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Solution

The fourth proportional to 3,141.42, 4,713.38 and 1,408.84 is: 2,113.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,141.42 : 4,713.38 = 1,408.84 : x
  2. Step 2: Convert to fraction form
    3,141.42/4,713.38 = 1,408.84/x
  3. Step 3: Cross multiply
    3,141.42x = 4,713.38 × 1,408.84
  4. Step 4: Simplify right side
    3,141.42x = 6,640,398.28
  5. Step 5: Solve for x
    x = 6,640,398.28/3,141.42
  6. Step 6: Final answer
    x = 2,113.82

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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.