Home / 2,621.05-3,930.33-1,525.75

Finding the Fourth Proportional to 2,621.05, 3,930.33 and 1,525.75

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Solution

The fourth proportional to 2,621.05, 3,930.33 and 1,525.75 is: 2,287.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,621.05 : 3,930.33 = 1,525.75 : x
  2. Step 2: Convert to fraction form
    2,621.05/3,930.33 = 1,525.75/x
  3. Step 3: Cross multiply
    2,621.05x = 3,930.33 × 1,525.75
  4. Step 4: Simplify right side
    2,621.05x = 5,996,701.00
  5. Step 5: Solve for x
    x = 5,996,701.00/2,621.05
  6. Step 6: Final answer
    x = 2,287.90

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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.