Home / 4,129.29-6,183.35-2,278.34

Finding the Fourth Proportional to 4,129.29, 6,183.35 and 2,278.34

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Solution

The fourth proportional to 4,129.29, 6,183.35 and 2,278.34 is: 3,411.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,129.29 : 6,183.35 = 2,278.34 : x
  2. Step 2: Convert to fraction form
    4,129.29/6,183.35 = 2,278.34/x
  3. Step 3: Cross multiply
    4,129.29x = 6,183.35 × 2,278.34
  4. Step 4: Simplify right side
    4,129.29x = 14,087,731.33
  5. Step 5: Solve for x
    x = 14,087,731.33/4,129.29
  6. Step 6: Final answer
    x = 3,411.66

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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.