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Finding the Fourth Proportional to 2,419.88, 3,339.83 and 1,829.39

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Solution

The fourth proportional to 2,419.88, 3,339.83 and 1,829.39 is: 2,524.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,419.88 : 3,339.83 = 1,829.39 : x
  2. Step 2: Convert to fraction form
    2,419.88/3,339.83 = 1,829.39/x
  3. Step 3: Cross multiply
    2,419.88x = 3,339.83 × 1,829.39
  4. Step 4: Simplify right side
    2,419.88x = 6,109,839.48
  5. Step 5: Solve for x
    x = 6,109,839.48/2,419.88
  6. Step 6: Final answer
    x = 2,524.86

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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.