Home / 3,521.40-5,277.24-3,416.28

Finding the Fourth Proportional to 3,521.40, 5,277.24 and 3,416.28

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Solution

The fourth proportional to 3,521.40, 5,277.24 and 3,416.28 is: 5,119.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,521.40 : 5,277.24 = 3,416.28 : x
  2. Step 2: Convert to fraction form
    3,521.40/5,277.24 = 3,416.28/x
  3. Step 3: Cross multiply
    3,521.40x = 5,277.24 × 3,416.28
  4. Step 4: Simplify right side
    3,521.40x = 18,028,529.47
  5. Step 5: Solve for x
    x = 18,028,529.47/3,521.40
  6. Step 6: Final answer
    x = 5,119.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.