Home / 3,890.72-5,836.44-2,588.24

Finding the Fourth Proportional to 3,890.72, 5,836.44 and 2,588.24

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Solution

The fourth proportional to 3,890.72, 5,836.44 and 2,588.24 is: 3,882.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,890.72 : 5,836.44 = 2,588.24 : x
  2. Step 2: Convert to fraction form
    3,890.72/5,836.44 = 2,588.24/x
  3. Step 3: Cross multiply
    3,890.72x = 5,836.44 × 2,588.24
  4. Step 4: Simplify right side
    3,890.72x = 15,106,107.47
  5. Step 5: Solve for x
    x = 15,106,107.47/3,890.72
  6. Step 6: Final answer
    x = 3,882.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.