Home / 3,710.68-5,119.41-2,218.66

Finding the Fourth Proportional to 3,710.68, 5,119.41 and 2,218.66

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Solution

The fourth proportional to 3,710.68, 5,119.41 and 2,218.66 is: 3,060.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,710.68 : 5,119.41 = 2,218.66 : x
  2. Step 2: Convert to fraction form
    3,710.68/5,119.41 = 2,218.66/x
  3. Step 3: Cross multiply
    3,710.68x = 5,119.41 × 2,218.66
  4. Step 4: Simplify right side
    3,710.68x = 11,358,230.19
  5. Step 5: Solve for x
    x = 11,358,230.19/3,710.68
  6. Step 6: Final answer
    x = 3,060.96

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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.