Home / 3,725.12-5,142.27-2,466.78

Finding the Fourth Proportional to 3,725.12, 5,142.27 and 2,466.78

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Solution

The fourth proportional to 3,725.12, 5,142.27 and 2,466.78 is: 3,405.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,725.12 : 5,142.27 = 2,466.78 : x
  2. Step 2: Convert to fraction form
    3,725.12/5,142.27 = 2,466.78/x
  3. Step 3: Cross multiply
    3,725.12x = 5,142.27 × 2,466.78
  4. Step 4: Simplify right side
    3,725.12x = 12,684,848.79
  5. Step 5: Solve for x
    x = 12,684,848.79/3,725.12
  6. Step 6: Final answer
    x = 3,405.22

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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.