Home / 2,176.65-3,265.55-943.79

Finding the Fourth Proportional to 2,176.65, 3,265.55 and 943.79

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Solution

The fourth proportional to 2,176.65, 3,265.55 and 943.79 is: 1,415.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176.65 : 3,265.55 = 943.79 : x
  2. Step 2: Convert to fraction form
    2,176.65/3,265.55 = 943.79/x
  3. Step 3: Cross multiply
    2,176.65x = 3,265.55 × 943.79
  4. Step 4: Simplify right side
    2,176.65x = 3,081,972.39
  5. Step 5: Solve for x
    x = 3,081,972.39/2,176.65
  6. Step 6: Final answer
    x = 1,415.92

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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.