Home / 3,505.78-5,257.19-1,924.10

Finding the Fourth Proportional to 3,505.78, 5,257.19 and 1,924.10

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Solution

The fourth proportional to 3,505.78, 5,257.19 and 1,924.10 is: 2,885.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,505.78 : 5,257.19 = 1,924.10 : x
  2. Step 2: Convert to fraction form
    3,505.78/5,257.19 = 1,924.10/x
  3. Step 3: Cross multiply
    3,505.78x = 5,257.19 × 1,924.10
  4. Step 4: Simplify right side
    3,505.78x = 10,115,359.28
  5. Step 5: Solve for x
    x = 10,115,359.28/3,505.78
  6. Step 6: Final answer
    x = 2,885.34

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1.5x scale

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.