Home / 3,243.16-4,854.68-2,621.68

Finding the Fourth Proportional to 3,243.16, 4,854.68 and 2,621.68

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Solution

The fourth proportional to 3,243.16, 4,854.68 and 2,621.68 is: 3,924.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,243.16 : 4,854.68 = 2,621.68 : x
  2. Step 2: Convert to fraction form
    3,243.16/4,854.68 = 2,621.68/x
  3. Step 3: Cross multiply
    3,243.16x = 4,854.68 × 2,621.68
  4. Step 4: Simplify right side
    3,243.16x = 12,727,417.46
  5. Step 5: Solve for x
    x = 12,727,417.46/3,243.16
  6. Step 6: Final answer
    x = 3,924.39

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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.