Home / 3,725.13-5,139.68-2,398.35

Finding the Fourth Proportional to 3,725.13, 5,139.68 and 2,398.35

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Solution

The fourth proportional to 3,725.13, 5,139.68 and 2,398.35 is: 3,309.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,725.13 : 5,139.68 = 2,398.35 : x
  2. Step 2: Convert to fraction form
    3,725.13/5,139.68 = 2,398.35/x
  3. Step 3: Cross multiply
    3,725.13x = 5,139.68 × 2,398.35
  4. Step 4: Simplify right side
    3,725.13x = 12,326,739.54
  5. Step 5: Solve for x
    x = 12,326,739.54/3,725.13
  6. Step 6: Final answer
    x = 3,309.08

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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.