Home / 3,291.69-4,937.39-1,829.91

Finding the Fourth Proportional to 3,291.69, 4,937.39 and 1,829.91

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Solution

The fourth proportional to 3,291.69, 4,937.39 and 1,829.91 is: 2,744.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,291.69 : 4,937.39 = 1,829.91 : x
  2. Step 2: Convert to fraction form
    3,291.69/4,937.39 = 1,829.91/x
  3. Step 3: Cross multiply
    3,291.69x = 4,937.39 × 1,829.91
  4. Step 4: Simplify right side
    3,291.69x = 9,034,970.19
  5. Step 5: Solve for x
    x = 9,034,970.19/3,291.69
  6. Step 6: Final answer
    x = 2,744.78

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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.