Home / 3,670.36-5,474.15-3,540.76

Finding the Fourth Proportional to 3,670.36, 5,474.15 and 3,540.76

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Solution

The fourth proportional to 3,670.36, 5,474.15 and 3,540.76 is: 5,280.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,670.36 : 5,474.15 = 3,540.76 : x
  2. Step 2: Convert to fraction form
    3,670.36/5,474.15 = 3,540.76/x
  3. Step 3: Cross multiply
    3,670.36x = 5,474.15 × 3,540.76
  4. Step 4: Simplify right side
    3,670.36x = 19,382,651.35
  5. Step 5: Solve for x
    x = 19,382,651.35/3,670.36
  6. Step 6: Final answer
    x = 5,280.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.