Home / 3,917.78-5,888.14-3,263.84

Finding the Fourth Proportional to 3,917.78, 5,888.14 and 3,263.84

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Solution

The fourth proportional to 3,917.78, 5,888.14 and 3,263.84 is: 4,905.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,917.78 : 5,888.14 = 3,263.84 : x
  2. Step 2: Convert to fraction form
    3,917.78/5,888.14 = 3,263.84/x
  3. Step 3: Cross multiply
    3,917.78x = 5,888.14 × 3,263.84
  4. Step 4: Simplify right side
    3,917.78x = 19,217,946.86
  5. Step 5: Solve for x
    x = 19,217,946.86/3,917.78
  6. Step 6: Final answer
    x = 4,905.32

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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.