Home / 3,851.04-5,314.40-2,195.04

Finding the Fourth Proportional to 3,851.04, 5,314.40 and 2,195.04

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Solution

The fourth proportional to 3,851.04, 5,314.40 and 2,195.04 is: 3,029.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,851.04 : 5,314.40 = 2,195.04 : x
  2. Step 2: Convert to fraction form
    3,851.04/5,314.40 = 2,195.04/x
  3. Step 3: Cross multiply
    3,851.04x = 5,314.40 × 2,195.04
  4. Step 4: Simplify right side
    3,851.04x = 11,665,320.58
  5. Step 5: Solve for x
    x = 11,665,320.58/3,851.04
  6. Step 6: Final answer
    x = 3,029.14

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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.