Home / 3,956.11-5,459.63-2,277.76

Finding the Fourth Proportional to 3,956.11, 5,459.63 and 2,277.76

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Solution

The fourth proportional to 3,956.11, 5,459.63 and 2,277.76 is: 3,143.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,956.11 : 5,459.63 = 2,277.76 : x
  2. Step 2: Convert to fraction form
    3,956.11/5,459.63 = 2,277.76/x
  3. Step 3: Cross multiply
    3,956.11x = 5,459.63 × 2,277.76
  4. Step 4: Simplify right side
    3,956.11x = 12,435,726.83
  5. Step 5: Solve for x
    x = 12,435,726.83/3,956.11
  6. Step 6: Final answer
    x = 3,143.42

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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.