Home / 4,131.42-5,693.67-2,805.18

Finding the Fourth Proportional to 4,131.42, 5,693.67 and 2,805.18

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Solution

The fourth proportional to 4,131.42, 5,693.67 and 2,805.18 is: 3,865.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,131.42 : 5,693.67 = 2,805.18 : x
  2. Step 2: Convert to fraction form
    4,131.42/5,693.67 = 2,805.18/x
  3. Step 3: Cross multiply
    4,131.42x = 5,693.67 × 2,805.18
  4. Step 4: Simplify right side
    4,131.42x = 15,971,769.21
  5. Step 5: Solve for x
    x = 15,971,769.21/4,131.42
  6. Step 6: Final answer
    x = 3,865.93

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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.