Home / 3,149.47-4,724.43-1,300.09

Finding the Fourth Proportional to 3,149.47, 4,724.43 and 1,300.09

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Solution

The fourth proportional to 3,149.47, 4,724.43 and 1,300.09 is: 1,950.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,149.47 : 4,724.43 = 1,300.09 : x
  2. Step 2: Convert to fraction form
    3,149.47/4,724.43 = 1,300.09/x
  3. Step 3: Cross multiply
    3,149.47x = 4,724.43 × 1,300.09
  4. Step 4: Simplify right side
    3,149.47x = 6,142,160.58
  5. Step 5: Solve for x
    x = 6,142,160.58/3,149.47
  6. Step 6: Final answer
    x = 1,950.22

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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.