Home / 3,414.20-4,699.74-2,943.65

Finding the Fourth Proportional to 3,414.20, 4,699.74 and 2,943.65

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Solution

The fourth proportional to 3,414.20, 4,699.74 and 2,943.65 is: 4,052.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,414.20 : 4,699.74 = 2,943.65 : x
  2. Step 2: Convert to fraction form
    3,414.20/4,699.74 = 2,943.65/x
  3. Step 3: Cross multiply
    3,414.20x = 4,699.74 × 2,943.65
  4. Step 4: Simplify right side
    3,414.20x = 13,834,355.11
  5. Step 5: Solve for x
    x = 13,834,355.11/3,414.20
  6. Step 6: Final answer
    x = 4,052.01

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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.