Home / 3,731.49-5,147.58-2,239.08

Finding the Fourth Proportional to 3,731.49, 5,147.58 and 2,239.08

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Solution

The fourth proportional to 3,731.49, 5,147.58 and 2,239.08 is: 3,088.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,731.49 : 5,147.58 = 2,239.08 : x
  2. Step 2: Convert to fraction form
    3,731.49/5,147.58 = 2,239.08/x
  3. Step 3: Cross multiply
    3,731.49x = 5,147.58 × 2,239.08
  4. Step 4: Simplify right side
    3,731.49x = 11,525,843.43
  5. Step 5: Solve for x
    x = 11,525,843.43/3,731.49
  6. Step 6: Final answer
    x = 3,088.80

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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.