Home / 4,142.87-5,717.19-2,254.47

Finding the Fourth Proportional to 4,142.87, 5,717.19 and 2,254.47

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Solution

The fourth proportional to 4,142.87, 5,717.19 and 2,254.47 is: 3,111.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,142.87 : 5,717.19 = 2,254.47 : x
  2. Step 2: Convert to fraction form
    4,142.87/5,717.19 = 2,254.47/x
  3. Step 3: Cross multiply
    4,142.87x = 5,717.19 × 2,254.47
  4. Step 4: Simplify right side
    4,142.87x = 12,889,233.34
  5. Step 5: Solve for x
    x = 12,889,233.34/4,142.87
  6. Step 6: Final answer
    x = 3,111.18

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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.