Home / 3,195.10-4,404.13-2,145.34

Finding the Fourth Proportional to 3,195.10, 4,404.13 and 2,145.34

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Solution

The fourth proportional to 3,195.10, 4,404.13 and 2,145.34 is: 2,957.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,195.10 : 4,404.13 = 2,145.34 : x
  2. Step 2: Convert to fraction form
    3,195.10/4,404.13 = 2,145.34/x
  3. Step 3: Cross multiply
    3,195.10x = 4,404.13 × 2,145.34
  4. Step 4: Simplify right side
    3,195.10x = 9,448,356.25
  5. Step 5: Solve for x
    x = 9,448,356.25/3,195.10
  6. Step 6: Final answer
    x = 2,957.14

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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.