Home / 3,100.08-4,652.31-1,251.72

Finding the Fourth Proportional to 3,100.08, 4,652.31 and 1,251.72

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Solution

The fourth proportional to 3,100.08, 4,652.31 and 1,251.72 is: 1,878.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100.08 : 4,652.31 = 1,251.72 : x
  2. Step 2: Convert to fraction form
    3,100.08/4,652.31 = 1,251.72/x
  3. Step 3: Cross multiply
    3,100.08x = 4,652.31 × 1,251.72
  4. Step 4: Simplify right side
    3,100.08x = 5,823,389.47
  5. Step 5: Solve for x
    x = 5,823,389.47/3,100.08
  6. Step 6: Final answer
    x = 1,878.46

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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.