Home / 2,239.04-3,355.88-777.38

Finding the Fourth Proportional to 2,239.04, 3,355.88 and 777.38

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Solution

The fourth proportional to 2,239.04, 3,355.88 and 777.38 is: 1,165.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239.04 : 3,355.88 = 777.38 : x
  2. Step 2: Convert to fraction form
    2,239.04/3,355.88 = 777.38/x
  3. Step 3: Cross multiply
    2,239.04x = 3,355.88 × 777.38
  4. Step 4: Simplify right side
    2,239.04x = 2,608,793.99
  5. Step 5: Solve for x
    x = 2,608,793.99/2,239.04
  6. Step 6: Final answer
    x = 1,165.14

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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.