Home / 4,148.78-5,719.35-2,967.80

Finding the Fourth Proportional to 4,148.78, 5,719.35 and 2,967.80

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Solution

The fourth proportional to 4,148.78, 5,719.35 and 2,967.80 is: 4,091.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,148.78 : 5,719.35 = 2,967.80 : x
  2. Step 2: Convert to fraction form
    4,148.78/5,719.35 = 2,967.80/x
  3. Step 3: Cross multiply
    4,148.78x = 5,719.35 × 2,967.80
  4. Step 4: Simplify right side
    4,148.78x = 16,973,886.93
  5. Step 5: Solve for x
    x = 16,973,886.93/4,148.78
  6. Step 6: Final answer
    x = 4,091.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.