Home / 3,278.76-4,525.64-2,144.59

Finding the Fourth Proportional to 3,278.76, 4,525.64 and 2,144.59

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Solution

The fourth proportional to 3,278.76, 4,525.64 and 2,144.59 is: 2,960.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278.76 : 4,525.64 = 2,144.59 : x
  2. Step 2: Convert to fraction form
    3,278.76/4,525.64 = 2,144.59/x
  3. Step 3: Cross multiply
    3,278.76x = 4,525.64 × 2,144.59
  4. Step 4: Simplify right side
    3,278.76x = 9,705,642.29
  5. Step 5: Solve for x
    x = 9,705,642.29/3,278.76
  6. Step 6: Final answer
    x = 2,960.16

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Double scale
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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.