Home / 3,939.30-5,908.85-1,598.68

Finding the Fourth Proportional to 3,939.30, 5,908.85 and 1,598.68

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Solution

The fourth proportional to 3,939.30, 5,908.85 and 1,598.68 is: 2,397.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939.30 : 5,908.85 = 1,598.68 : x
  2. Step 2: Convert to fraction form
    3,939.30/5,908.85 = 1,598.68/x
  3. Step 3: Cross multiply
    3,939.30x = 5,908.85 × 1,598.68
  4. Step 4: Simplify right side
    3,939.30x = 9,446,322.78
  5. Step 5: Solve for x
    x = 9,446,322.78/3,939.30
  6. Step 6: Final answer
    x = 2,397.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.