Home / 4,103.78-6,152.18-1,881.88

Finding the Fourth Proportional to 4,103.78, 6,152.18 and 1,881.88

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Solution

The fourth proportional to 4,103.78, 6,152.18 and 1,881.88 is: 2,821.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,103.78 : 6,152.18 = 1,881.88 : x
  2. Step 2: Convert to fraction form
    4,103.78/6,152.18 = 1,881.88/x
  3. Step 3: Cross multiply
    4,103.78x = 6,152.18 × 1,881.88
  4. Step 4: Simplify right side
    4,103.78x = 11,577,664.50
  5. Step 5: Solve for x
    x = 11,577,664.50/4,103.78
  6. Step 6: Final answer
    x = 2,821.22

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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.