Home / 3,900.17-5,850.45-1,951.71

Finding the Fourth Proportional to 3,900.17, 5,850.45 and 1,951.71

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Solution

The fourth proportional to 3,900.17, 5,850.45 and 1,951.71 is: 2,927.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,900.17 : 5,850.45 = 1,951.71 : x
  2. Step 2: Convert to fraction form
    3,900.17/5,850.45 = 1,951.71/x
  3. Step 3: Cross multiply
    3,900.17x = 5,850.45 × 1,951.71
  4. Step 4: Simplify right side
    3,900.17x = 11,418,381.77
  5. Step 5: Solve for x
    x = 11,418,381.77/3,900.17
  6. Step 6: Final answer
    x = 2,927.67

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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.