Home / 2,621.57-3,933.71-2,435.68

Finding the Fourth Proportional to 2,621.57, 3,933.71 and 2,435.68

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Solution

The fourth proportional to 2,621.57, 3,933.71 and 2,435.68 is: 3,654.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,621.57 : 3,933.71 = 2,435.68 : x
  2. Step 2: Convert to fraction form
    2,621.57/3,933.71 = 2,435.68/x
  3. Step 3: Cross multiply
    2,621.57x = 3,933.71 × 2,435.68
  4. Step 4: Simplify right side
    2,621.57x = 9,581,226.93
  5. Step 5: Solve for x
    x = 9,581,226.93/2,621.57
  6. Step 6: Final answer
    x = 3,654.77

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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.