Home / 2,228.10-3,342.15-1,644.90

Finding the Fourth Proportional to 2,228.10, 3,342.15 and 1,644.90

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Solution

The fourth proportional to 2,228.10, 3,342.15 and 1,644.90 is: 2,467.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,228.10 : 3,342.15 = 1,644.90 : x
  2. Step 2: Convert to fraction form
    2,228.10/3,342.15 = 1,644.90/x
  3. Step 3: Cross multiply
    2,228.10x = 3,342.15 × 1,644.90
  4. Step 4: Simplify right side
    2,228.10x = 5,497,502.54
  5. Step 5: Solve for x
    x = 5,497,502.54/2,228.10
  6. Step 6: Final answer
    x = 2,467.35

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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.