Home / 2,195.09-3,029.18-1,200.34

Finding the Fourth Proportional to 2,195.09, 3,029.18 and 1,200.34

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Solution

The fourth proportional to 2,195.09, 3,029.18 and 1,200.34 is: 1,656.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195.09 : 3,029.18 = 1,200.34 : x
  2. Step 2: Convert to fraction form
    2,195.09/3,029.18 = 1,200.34/x
  3. Step 3: Cross multiply
    2,195.09x = 3,029.18 × 1,200.34
  4. Step 4: Simplify right side
    2,195.09x = 3,636,064.04
  5. Step 5: Solve for x
    x = 3,636,064.04/2,195.09
  6. Step 6: Final answer
    x = 1,656.46

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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.