Home / 3,910.12-5,395.13-2,317.27

Finding the Fourth Proportional to 3,910.12, 5,395.13 and 2,317.27

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Solution

The fourth proportional to 3,910.12, 5,395.13 and 2,317.27 is: 3,197.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,910.12 : 5,395.13 = 2,317.27 : x
  2. Step 2: Convert to fraction form
    3,910.12/5,395.13 = 2,317.27/x
  3. Step 3: Cross multiply
    3,910.12x = 5,395.13 × 2,317.27
  4. Step 4: Simplify right side
    3,910.12x = 12,501,980.73
  5. Step 5: Solve for x
    x = 12,501,980.73/3,910.12
  6. Step 6: Final answer
    x = 3,197.34

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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.