Home / 3,149.86-4,346.46-1,823.28

Finding the Fourth Proportional to 3,149.86, 4,346.46 and 1,823.28

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Solution

The fourth proportional to 3,149.86, 4,346.46 and 1,823.28 is: 2,515.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,149.86 : 4,346.46 = 1,823.28 : x
  2. Step 2: Convert to fraction form
    3,149.86/4,346.46 = 1,823.28/x
  3. Step 3: Cross multiply
    3,149.86x = 4,346.46 × 1,823.28
  4. Step 4: Simplify right side
    3,149.86x = 7,924,813.59
  5. Step 5: Solve for x
    x = 7,924,813.59/3,149.86
  6. Step 6: Final answer
    x = 2,515.93

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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.