Home / 3,991.65-5,506.83-2,575.03

Finding the Fourth Proportional to 3,991.65, 5,506.83 and 2,575.03

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Solution

The fourth proportional to 3,991.65, 5,506.83 and 2,575.03 is: 3,552.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,991.65 : 5,506.83 = 2,575.03 : x
  2. Step 2: Convert to fraction form
    3,991.65/5,506.83 = 2,575.03/x
  3. Step 3: Cross multiply
    3,991.65x = 5,506.83 × 2,575.03
  4. Step 4: Simplify right side
    3,991.65x = 14,180,252.45
  5. Step 5: Solve for x
    x = 14,180,252.45/3,991.65
  6. Step 6: Final answer
    x = 3,552.48

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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.