Home / 2,195.10-3,292.79-1,323.54

Finding the Fourth Proportional to 2,195.10, 3,292.79 and 1,323.54

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Solution

The fourth proportional to 2,195.10, 3,292.79 and 1,323.54 is: 1,985.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195.10 : 3,292.79 = 1,323.54 : x
  2. Step 2: Convert to fraction form
    2,195.10/3,292.79 = 1,323.54/x
  3. Step 3: Cross multiply
    2,195.10x = 3,292.79 × 1,323.54
  4. Step 4: Simplify right side
    2,195.10x = 4,358,132.66
  5. Step 5: Solve for x
    x = 4,358,132.66/2,195.10
  6. Step 6: Final answer
    x = 1,985.39

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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.