Home / 3,494.34-5,238.81-2,380.86

Finding the Fourth Proportional to 3,494.34, 5,238.81 and 2,380.86

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Solution

The fourth proportional to 3,494.34, 5,238.81 and 2,380.86 is: 3,569.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,494.34 : 5,238.81 = 2,380.86 : x
  2. Step 2: Convert to fraction form
    3,494.34/5,238.81 = 2,380.86/x
  3. Step 3: Cross multiply
    3,494.34x = 5,238.81 × 2,380.86
  4. Step 4: Simplify right side
    3,494.34x = 12,472,873.18
  5. Step 5: Solve for x
    x = 12,472,873.18/3,494.34
  6. Step 6: Final answer
    x = 3,569.45

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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.