Home / 3,942.46-5,440.53-2,263.87

Finding the Fourth Proportional to 3,942.46, 5,440.53 and 2,263.87

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Solution

The fourth proportional to 3,942.46, 5,440.53 and 2,263.87 is: 3,124.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942.46 : 5,440.53 = 2,263.87 : x
  2. Step 2: Convert to fraction form
    3,942.46/5,440.53 = 2,263.87/x
  3. Step 3: Cross multiply
    3,942.46x = 5,440.53 × 2,263.87
  4. Step 4: Simplify right side
    3,942.46x = 12,316,652.65
  5. Step 5: Solve for x
    x = 12,316,652.65/3,942.46
  6. Step 6: Final answer
    x = 3,124.10

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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.