Home / 3,278.23-4,522.66-2,159.71

Finding the Fourth Proportional to 3,278.23, 4,522.66 and 2,159.71

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Solution

The fourth proportional to 3,278.23, 4,522.66 and 2,159.71 is: 2,979.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278.23 : 4,522.66 = 2,159.71 : x
  2. Step 2: Convert to fraction form
    3,278.23/4,522.66 = 2,159.71/x
  3. Step 3: Cross multiply
    3,278.23x = 4,522.66 × 2,159.71
  4. Step 4: Simplify right side
    3,278.23x = 9,767,617.32
  5. Step 5: Solve for x
    x = 9,767,617.32/3,278.23
  6. Step 6: Final answer
    x = 2,979.54

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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.