Home / 3,898.36-5,385.42-3,373.48

Finding the Fourth Proportional to 3,898.36, 5,385.42 and 3,373.48

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Solution

The fourth proportional to 3,898.36, 5,385.42 and 3,373.48 is: 4,660.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,898.36 : 5,385.42 = 3,373.48 : x
  2. Step 2: Convert to fraction form
    3,898.36/5,385.42 = 3,373.48/x
  3. Step 3: Cross multiply
    3,898.36x = 5,385.42 × 3,373.48
  4. Step 4: Simplify right side
    3,898.36x = 18,167,606.66
  5. Step 5: Solve for x
    x = 18,167,606.66/3,898.36
  6. Step 6: Final answer
    x = 4,660.32

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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.