Home / 3,942.63-5,440.50-2,263.91

Finding the Fourth Proportional to 3,942.63, 5,440.50 and 2,263.91

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Solution

The fourth proportional to 3,942.63, 5,440.50 and 2,263.91 is: 3,124.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942.63 : 5,440.50 = 2,263.91 : x
  2. Step 2: Convert to fraction form
    3,942.63/5,440.50 = 2,263.91/x
  3. Step 3: Cross multiply
    3,942.63x = 5,440.50 × 2,263.91
  4. Step 4: Simplify right side
    3,942.63x = 12,316,775.15
  5. Step 5: Solve for x
    x = 12,316,775.15/3,942.63
  6. Step 6: Final answer
    x = 3,124.00

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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.