Home / 3,942.03-5,440.05-2,613.36

Finding the Fourth Proportional to 3,942.03, 5,440.05 and 2,613.36

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Solution

The fourth proportional to 3,942.03, 5,440.05 and 2,613.36 is: 3,606.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942.03 : 5,440.05 = 2,613.36 : x
  2. Step 2: Convert to fraction form
    3,942.03/5,440.05 = 2,613.36/x
  3. Step 3: Cross multiply
    3,942.03x = 5,440.05 × 2,613.36
  4. Step 4: Simplify right side
    3,942.03x = 14,216,809.07
  5. Step 5: Solve for x
    x = 14,216,809.07/3,942.03
  6. Step 6: Final answer
    x = 3,606.47

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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.