Home / 3,729.36-5,146.71-2,238.09

Finding the Fourth Proportional to 3,729.36, 5,146.71 and 2,238.09

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Solution

The fourth proportional to 3,729.36, 5,146.71 and 2,238.09 is: 3,088.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,729.36 : 5,146.71 = 2,238.09 : x
  2. Step 2: Convert to fraction form
    3,729.36/5,146.71 = 2,238.09/x
  3. Step 3: Cross multiply
    3,729.36x = 5,146.71 × 2,238.09
  4. Step 4: Simplify right side
    3,729.36x = 11,518,800.18
  5. Step 5: Solve for x
    x = 11,518,800.18/3,729.36
  6. Step 6: Final answer
    x = 3,088.68

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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.