Home / 3,743.04-5,163.03-2,678.70

Finding the Fourth Proportional to 3,743.04, 5,163.03 and 2,678.70

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Solution

The fourth proportional to 3,743.04, 5,163.03 and 2,678.70 is: 3,694.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,743.04 : 5,163.03 = 2,678.70 : x
  2. Step 2: Convert to fraction form
    3,743.04/5,163.03 = 2,678.70/x
  3. Step 3: Cross multiply
    3,743.04x = 5,163.03 × 2,678.70
  4. Step 4: Simplify right side
    3,743.04x = 13,830,208.46
  5. Step 5: Solve for x
    x = 13,830,208.46/3,743.04
  6. Step 6: Final answer
    x = 3,694.91

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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.