Home / 3,941.70-5,439.81-2,263.65

Finding the Fourth Proportional to 3,941.70, 5,439.81 and 2,263.65

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Solution

The fourth proportional to 3,941.70, 5,439.81 and 2,263.65 is: 3,123.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,941.70 : 5,439.81 = 2,263.65 : x
  2. Step 2: Convert to fraction form
    3,941.70/5,439.81 = 2,263.65/x
  3. Step 3: Cross multiply
    3,941.70x = 5,439.81 × 2,263.65
  4. Step 4: Simplify right side
    3,941.70x = 12,313,825.91
  5. Step 5: Solve for x
    x = 12,313,825.91/3,941.70
  6. Step 6: Final answer
    x = 3,123.99

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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.