Home / 2,715.72-4,077.36-2,227.32

Finding the Fourth Proportional to 2,715.72, 4,077.36 and 2,227.32

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Solution

The fourth proportional to 2,715.72, 4,077.36 and 2,227.32 is: 3,344.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,715.72 : 4,077.36 = 2,227.32 : x
  2. Step 2: Convert to fraction form
    2,715.72/4,077.36 = 2,227.32/x
  3. Step 3: Cross multiply
    2,715.72x = 4,077.36 × 2,227.32
  4. Step 4: Simplify right side
    2,715.72x = 9,081,585.48
  5. Step 5: Solve for x
    x = 9,081,585.48/2,715.72
  6. Step 6: Final answer
    x = 3,344.08

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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.