Home / 3,725.01-5,138.73-2,398.23

Finding the Fourth Proportional to 3,725.01, 5,138.73 and 2,398.23

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Solution

The fourth proportional to 3,725.01, 5,138.73 and 2,398.23 is: 3,308.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,725.01 : 5,138.73 = 2,398.23 : x
  2. Step 2: Convert to fraction form
    3,725.01/5,138.73 = 2,398.23/x
  3. Step 3: Cross multiply
    3,725.01x = 5,138.73 × 2,398.23
  4. Step 4: Simplify right side
    3,725.01x = 12,323,856.45
  5. Step 5: Solve for x
    x = 12,323,856.45/3,725.01
  6. Step 6: Final answer
    x = 3,308.41

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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.