Home / 3,551.83-4,910.38-2,666.09

Finding the Fourth Proportional to 3,551.83, 4,910.38 and 2,666.09

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Solution

The fourth proportional to 3,551.83, 4,910.38 and 2,666.09 is: 3,685.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,551.83 : 4,910.38 = 2,666.09 : x
  2. Step 2: Convert to fraction form
    3,551.83/4,910.38 = 2,666.09/x
  3. Step 3: Cross multiply
    3,551.83x = 4,910.38 × 2,666.09
  4. Step 4: Simplify right side
    3,551.83x = 13,091,515.01
  5. Step 5: Solve for x
    x = 13,091,515.01/3,551.83
  6. Step 6: Final answer
    x = 3,685.85

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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.