Home / 3,424-4,727.66-2,099.52

Finding the Fourth Proportional to 3,424, 4,727.66 and 2,099.52

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Solution

The fourth proportional to 3,424, 4,727.66 and 2,099.52 is: 2,898.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,424 : 4,727.66 = 2,099.52 : x
  2. Step 2: Convert to fraction form
    3,424/4,727.66 = 2,099.52/x
  3. Step 3: Cross multiply
    3,424x = 4,727.66 × 2,099.52
  4. Step 4: Simplify right side
    3,424x = 9,925,816.72
  5. Step 5: Solve for x
    x = 9,925,816.72/3,424
  6. Step 6: Final answer
    x = 2,898.90

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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.