Home / 4,143-5,717.36-2,254.60

Finding the Fourth Proportional to 4,143, 5,717.36 and 2,254.60

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Solution

The fourth proportional to 4,143, 5,717.36 and 2,254.60 is: 3,111.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,143 : 5,717.36 = 2,254.60 : x
  2. Step 2: Convert to fraction form
    4,143/5,717.36 = 2,254.60/x
  3. Step 3: Cross multiply
    4,143x = 5,717.36 × 2,254.60
  4. Step 4: Simplify right side
    4,143x = 12,890,359.86
  5. Step 5: Solve for x
    x = 12,890,359.86/4,143
  6. Step 6: Final answer
    x = 3,111.36

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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.