Home / 3,679.32-5,077.68-2,064.38

Finding the Fourth Proportional to 3,679.32, 5,077.68 and 2,064.38

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Solution

The fourth proportional to 3,679.32, 5,077.68 and 2,064.38 is: 2,848.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,679.32 : 5,077.68 = 2,064.38 : x
  2. Step 2: Convert to fraction form
    3,679.32/5,077.68 = 2,064.38/x
  3. Step 3: Cross multiply
    3,679.32x = 5,077.68 × 2,064.38
  4. Step 4: Simplify right side
    3,679.32x = 10,482,261.04
  5. Step 5: Solve for x
    x = 10,482,261.04/3,679.32
  6. Step 6: Final answer
    x = 2,848.97

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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.