Home / 4,142.51-5,719.22-2,851.19

Finding the Fourth Proportional to 4,142.51, 5,719.22 and 2,851.19

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Solution

The fourth proportional to 4,142.51, 5,719.22 and 2,851.19 is: 3,936.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,142.51 : 5,719.22 = 2,851.19 : x
  2. Step 2: Convert to fraction form
    4,142.51/5,719.22 = 2,851.19/x
  3. Step 3: Cross multiply
    4,142.51x = 5,719.22 × 2,851.19
  4. Step 4: Simplify right side
    4,142.51x = 16,306,540.02
  5. Step 5: Solve for x
    x = 16,306,540.02/4,142.51
  6. Step 6: Final answer
    x = 3,936.40

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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.