Home / 2,195.34-3,029.54-1,200.60

Finding the Fourth Proportional to 2,195.34, 3,029.54 and 1,200.60

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Solution

The fourth proportional to 2,195.34, 3,029.54 and 1,200.60 is: 1,656.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195.34 : 3,029.54 = 1,200.60 : x
  2. Step 2: Convert to fraction form
    2,195.34/3,029.54 = 1,200.60/x
  3. Step 3: Cross multiply
    2,195.34x = 3,029.54 × 1,200.60
  4. Step 4: Simplify right side
    2,195.34x = 3,637,244.57
  5. Step 5: Solve for x
    x = 3,637,244.57/2,195.34
  6. Step 6: Final answer
    x = 1,656.80

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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.