Home / 3,910.40-5,395.48-2,316.26

Finding the Fourth Proportional to 3,910.40, 5,395.48 and 2,316.26

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Solution

The fourth proportional to 3,910.40, 5,395.48 and 2,316.26 is: 3,195.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,910.40 : 5,395.48 = 2,316.26 : x
  2. Step 2: Convert to fraction form
    3,910.40/5,395.48 = 2,316.26/x
  3. Step 3: Cross multiply
    3,910.40x = 5,395.48 × 2,316.26
  4. Step 4: Simplify right side
    3,910.40x = 12,497,334.50
  5. Step 5: Solve for x
    x = 12,497,334.50/3,910.40
  6. Step 6: Final answer
    x = 3,195.92

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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.