Home / 3,149.31-4,346.01-1,823.01

Finding the Fourth Proportional to 3,149.31, 4,346.01 and 1,823.01

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Solution

The fourth proportional to 3,149.31, 4,346.01 and 1,823.01 is: 2,515.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,149.31 : 4,346.01 = 1,823.01 : x
  2. Step 2: Convert to fraction form
    3,149.31/4,346.01 = 1,823.01/x
  3. Step 3: Cross multiply
    3,149.31x = 4,346.01 × 1,823.01
  4. Step 4: Simplify right side
    3,149.31x = 7,922,819.69
  5. Step 5: Solve for x
    x = 7,922,819.69/3,149.31
  6. Step 6: Final answer
    x = 2,515.73

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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.