Home / 2,195.18-3,029.32-1,200.44

Finding the Fourth Proportional to 2,195.18, 3,029.32 and 1,200.44

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Solution

The fourth proportional to 2,195.18, 3,029.32 and 1,200.44 is: 1,656.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195.18 : 3,029.32 = 1,200.44 : x
  2. Step 2: Convert to fraction form
    2,195.18/3,029.32 = 1,200.44/x
  3. Step 3: Cross multiply
    2,195.18x = 3,029.32 × 1,200.44
  4. Step 4: Simplify right side
    2,195.18x = 3,636,516.90
  5. Step 5: Solve for x
    x = 3,636,516.90/2,195.18
  6. Step 6: Final answer
    x = 1,656.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.