Home / 3,734.91-5,178.33-3,511.35

Finding the Fourth Proportional to 3,734.91, 5,178.33 and 3,511.35

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Solution

The fourth proportional to 3,734.91, 5,178.33 and 3,511.35 is: 4,868.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,734.91 : 5,178.33 = 3,511.35 : x
  2. Step 2: Convert to fraction form
    3,734.91/5,178.33 = 3,511.35/x
  3. Step 3: Cross multiply
    3,734.91x = 5,178.33 × 3,511.35
  4. Step 4: Simplify right side
    3,734.91x = 18,182,929.05
  5. Step 5: Solve for x
    x = 18,182,929.05/3,734.91
  6. Step 6: Final answer
    x = 4,868.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.