Home / 2,228.34-3,337.44-1,917.72

Finding the Fourth Proportional to 2,228.34, 3,337.44 and 1,917.72

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Solution

The fourth proportional to 2,228.34, 3,337.44 and 1,917.72 is: 2,872.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,228.34 : 3,337.44 = 1,917.72 : x
  2. Step 2: Convert to fraction form
    2,228.34/3,337.44 = 1,917.72/x
  3. Step 3: Cross multiply
    2,228.34x = 3,337.44 × 1,917.72
  4. Step 4: Simplify right side
    2,228.34x = 6,400,275.44
  5. Step 5: Solve for x
    x = 6,400,275.44/2,228.34
  6. Step 6: Final answer
    x = 2,872.22

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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.