Home / 4,255.48-5,871.66-2,486.20

Finding the Fourth Proportional to 4,255.48, 5,871.66 and 2,486.20

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Solution

The fourth proportional to 4,255.48, 5,871.66 and 2,486.20 is: 3,430.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,255.48 : 5,871.66 = 2,486.20 : x
  2. Step 2: Convert to fraction form
    4,255.48/5,871.66 = 2,486.20/x
  3. Step 3: Cross multiply
    4,255.48x = 5,871.66 × 2,486.20
  4. Step 4: Simplify right side
    4,255.48x = 14,598,121.09
  5. Step 5: Solve for x
    x = 14,598,121.09/4,255.48
  6. Step 6: Final answer
    x = 3,430.43

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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.