Home / 3,827.91-5,278.63-3,604.68

Finding the Fourth Proportional to 3,827.91, 5,278.63 and 3,604.68

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Solution

The fourth proportional to 3,827.91, 5,278.63 and 3,604.68 is: 4,970.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,827.91 : 5,278.63 = 3,604.68 : x
  2. Step 2: Convert to fraction form
    3,827.91/5,278.63 = 3,604.68/x
  3. Step 3: Cross multiply
    3,827.91x = 5,278.63 × 3,604.68
  4. Step 4: Simplify right side
    3,827.91x = 19,027,762.98
  5. Step 5: Solve for x
    x = 19,027,762.98/3,827.91
  6. Step 6: Final answer
    x = 4,970.79

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1.5x scale

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.