Home / 3,957.15-5,457.25-3,397.44

Finding the Fourth Proportional to 3,957.15, 5,457.25 and 3,397.44

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Solution

The fourth proportional to 3,957.15, 5,457.25 and 3,397.44 is: 4,685.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,957.15 : 5,457.25 = 3,397.44 : x
  2. Step 2: Convert to fraction form
    3,957.15/5,457.25 = 3,397.44/x
  3. Step 3: Cross multiply
    3,957.15x = 5,457.25 × 3,397.44
  4. Step 4: Simplify right side
    3,957.15x = 18,540,643.66
  5. Step 5: Solve for x
    x = 18,540,643.66/3,957.15
  6. Step 6: Final answer
    x = 4,685.36

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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.