Home / 3,701.22-5,105.34-2,815.08

Finding the Fourth Proportional to 3,701.22, 5,105.34 and 2,815.08

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Solution

The fourth proportional to 3,701.22, 5,105.34 and 2,815.08 is: 3,883.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,701.22 : 5,105.34 = 2,815.08 : x
  2. Step 2: Convert to fraction form
    3,701.22/5,105.34 = 2,815.08/x
  3. Step 3: Cross multiply
    3,701.22x = 5,105.34 × 2,815.08
  4. Step 4: Simplify right side
    3,701.22x = 14,371,940.53
  5. Step 5: Solve for x
    x = 14,371,940.53/3,701.22
  6. Step 6: Final answer
    x = 3,883.03

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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.