Home / 2,909.84-4,364.78-1,177.36

Finding the Fourth Proportional to 2,909.84, 4,364.78 and 1,177.36

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Solution

The fourth proportional to 2,909.84, 4,364.78 and 1,177.36 is: 1,766.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909.84 : 4,364.78 = 1,177.36 : x
  2. Step 2: Convert to fraction form
    2,909.84/4,364.78 = 1,177.36/x
  3. Step 3: Cross multiply
    2,909.84x = 4,364.78 × 1,177.36
  4. Step 4: Simplify right side
    2,909.84x = 5,138,917.38
  5. Step 5: Solve for x
    x = 5,138,917.38/2,909.84
  6. Step 6: Final answer
    x = 1,766.05

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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.