Home / 3,872.14-5,345.39-2,598.21

Finding the Fourth Proportional to 3,872.14, 5,345.39 and 2,598.21

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Solution

The fourth proportional to 3,872.14, 5,345.39 and 2,598.21 is: 3,586.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,872.14 : 5,345.39 = 2,598.21 : x
  2. Step 2: Convert to fraction form
    3,872.14/5,345.39 = 2,598.21/x
  3. Step 3: Cross multiply
    3,872.14x = 5,345.39 × 2,598.21
  4. Step 4: Simplify right side
    3,872.14x = 13,888,452.25
  5. Step 5: Solve for x
    x = 13,888,452.25/3,872.14
  6. Step 6: Final answer
    x = 3,586.77

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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.