Home / 2,892.80-4,338.76-945.04

Finding the Fourth Proportional to 2,892.80, 4,338.76 and 945.04

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Solution

The fourth proportional to 2,892.80, 4,338.76 and 945.04 is: 1,417.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,892.80 : 4,338.76 = 945.04 : x
  2. Step 2: Convert to fraction form
    2,892.80/4,338.76 = 945.04/x
  3. Step 3: Cross multiply
    2,892.80x = 4,338.76 × 945.04
  4. Step 4: Simplify right side
    2,892.80x = 4,100,301.75
  5. Step 5: Solve for x
    x = 4,100,301.75/2,892.80
  6. Step 6: Final answer
    x = 1,417.42

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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.