Home / 3,426.68-4,726.58-2,419.86

Finding the Fourth Proportional to 3,426.68, 4,726.58 and 2,419.86

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Solution

The fourth proportional to 3,426.68, 4,726.58 and 2,419.86 is: 3,337.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426.68 : 4,726.58 = 2,419.86 : x
  2. Step 2: Convert to fraction form
    3,426.68/4,726.58 = 2,419.86/x
  3. Step 3: Cross multiply
    3,426.68x = 4,726.58 × 2,419.86
  4. Step 4: Simplify right side
    3,426.68x = 11,437,661.88
  5. Step 5: Solve for x
    x = 11,437,661.88/3,426.68
  6. Step 6: Final answer
    x = 3,337.83

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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.