Home / 4,189.12-5,781.04-2,300.87

Finding the Fourth Proportional to 4,189.12, 5,781.04 and 2,300.87

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Solution

The fourth proportional to 4,189.12, 5,781.04 and 2,300.87 is: 3,175.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,189.12 : 5,781.04 = 2,300.87 : x
  2. Step 2: Convert to fraction form
    4,189.12/5,781.04 = 2,300.87/x
  3. Step 3: Cross multiply
    4,189.12x = 5,781.04 × 2,300.87
  4. Step 4: Simplify right side
    4,189.12x = 13,301,401.30
  5. Step 5: Solve for x
    x = 13,301,401.30/4,189.12
  6. Step 6: Final answer
    x = 3,175.23

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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.