Home / 2,551.06-3,822.23-1,995.56

Finding the Fourth Proportional to 2,551.06, 3,822.23 and 1,995.56

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Solution

The fourth proportional to 2,551.06, 3,822.23 and 1,995.56 is: 2,989.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,551.06 : 3,822.23 = 1,995.56 : x
  2. Step 2: Convert to fraction form
    2,551.06/3,822.23 = 1,995.56/x
  3. Step 3: Cross multiply
    2,551.06x = 3,822.23 × 1,995.56
  4. Step 4: Simplify right side
    2,551.06x = 7,627,460.21
  5. Step 5: Solve for x
    x = 7,627,460.21/2,551.06
  6. Step 6: Final answer
    x = 2,989.92

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1.5x scale

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.