Home / 4,189.81-5,781.68-2,301.02

Finding the Fourth Proportional to 4,189.81, 5,781.68 and 2,301.02

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Solution

The fourth proportional to 4,189.81, 5,781.68 and 2,301.02 is: 3,175.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,189.81 : 5,781.68 = 2,301.02 : x
  2. Step 2: Convert to fraction form
    4,189.81/5,781.68 = 2,301.02/x
  3. Step 3: Cross multiply
    4,189.81x = 5,781.68 × 2,301.02
  4. Step 4: Simplify right side
    4,189.81x = 13,303,770.02
  5. Step 5: Solve for x
    x = 13,303,770.02/4,189.81
  6. Step 6: Final answer
    x = 3,175.27

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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.