Home / 3,808.46-5,707.52-2,143.91

Finding the Fourth Proportional to 3,808.46, 5,707.52 and 2,143.91

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Solution

The fourth proportional to 3,808.46, 5,707.52 and 2,143.91 is: 3,212.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,808.46 : 5,707.52 = 2,143.91 : x
  2. Step 2: Convert to fraction form
    3,808.46/5,707.52 = 2,143.91/x
  3. Step 3: Cross multiply
    3,808.46x = 5,707.52 × 2,143.91
  4. Step 4: Simplify right side
    3,808.46x = 12,236,369.95
  5. Step 5: Solve for x
    x = 12,236,369.95/3,808.46
  6. Step 6: Final answer
    x = 3,212.95

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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.