Home / 3,811.59-5,259.18-2,239.11

Finding the Fourth Proportional to 3,811.59, 5,259.18 and 2,239.11

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Solution

The fourth proportional to 3,811.59, 5,259.18 and 2,239.11 is: 3,089.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,811.59 : 5,259.18 = 2,239.11 : x
  2. Step 2: Convert to fraction form
    3,811.59/5,259.18 = 2,239.11/x
  3. Step 3: Cross multiply
    3,811.59x = 5,259.18 × 2,239.11
  4. Step 4: Simplify right side
    3,811.59x = 11,775,882.53
  5. Step 5: Solve for x
    x = 11,775,882.53/3,811.59
  6. Step 6: Final answer
    x = 3,089.49

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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.