Home / 3,846.60-5,304.96-3,100.32

Finding the Fourth Proportional to 3,846.60, 5,304.96 and 3,100.32

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Solution

The fourth proportional to 3,846.60, 5,304.96 and 3,100.32 is: 4,275.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,846.60 : 5,304.96 = 3,100.32 : x
  2. Step 2: Convert to fraction form
    3,846.60/5,304.96 = 3,100.32/x
  3. Step 3: Cross multiply
    3,846.60x = 5,304.96 × 3,100.32
  4. Step 4: Simplify right side
    3,846.60x = 16,447,073.59
  5. Step 5: Solve for x
    x = 16,447,073.59/3,846.60
  6. Step 6: Final answer
    x = 4,275.74

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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.