Home / 2,621.61-3,911.97-2,388.73

Finding the Fourth Proportional to 2,621.61, 3,911.97 and 2,388.73

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Solution

The fourth proportional to 2,621.61, 3,911.97 and 2,388.73 is: 3,564.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,621.61 : 3,911.97 = 2,388.73 : x
  2. Step 2: Convert to fraction form
    2,621.61/3,911.97 = 2,388.73/x
  3. Step 3: Cross multiply
    2,621.61x = 3,911.97 × 2,388.73
  4. Step 4: Simplify right side
    2,621.61x = 9,344,640.10
  5. Step 5: Solve for x
    x = 9,344,640.10/2,621.61
  6. Step 6: Final answer
    x = 3,564.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.