Home / 3,257.13-4,491.88-2,137.65

Finding the Fourth Proportional to 3,257.13, 4,491.88 and 2,137.65

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Solution

The fourth proportional to 3,257.13, 4,491.88 and 2,137.65 is: 2,948.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,257.13 : 4,491.88 = 2,137.65 : x
  2. Step 2: Convert to fraction form
    3,257.13/4,491.88 = 2,137.65/x
  3. Step 3: Cross multiply
    3,257.13x = 4,491.88 × 2,137.65
  4. Step 4: Simplify right side
    3,257.13x = 9,602,067.28
  5. Step 5: Solve for x
    x = 9,602,067.28/3,257.13
  6. Step 6: Final answer
    x = 2,948.01

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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.