Home / 2,720.51-4,077.60-2,227.75

Finding the Fourth Proportional to 2,720.51, 4,077.60 and 2,227.75

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Solution

The fourth proportional to 2,720.51, 4,077.60 and 2,227.75 is: 3,339.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720.51 : 4,077.60 = 2,227.75 : x
  2. Step 2: Convert to fraction form
    2,720.51/4,077.60 = 2,227.75/x
  3. Step 3: Cross multiply
    2,720.51x = 4,077.60 × 2,227.75
  4. Step 4: Simplify right side
    2,720.51x = 9,083,873.40
  5. Step 5: Solve for x
    x = 9,083,873.40/2,720.51
  6. Step 6: Final answer
    x = 3,339.03

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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.