Home / 3,910.15-5,395.66-2,316.52

Finding the Fourth Proportional to 3,910.15, 5,395.66 and 2,316.52

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Solution

The fourth proportional to 3,910.15, 5,395.66 and 2,316.52 is: 3,196.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,910.15 : 5,395.66 = 2,316.52 : x
  2. Step 2: Convert to fraction form
    3,910.15/5,395.66 = 2,316.52/x
  3. Step 3: Cross multiply
    3,910.15x = 5,395.66 × 2,316.52
  4. Step 4: Simplify right side
    3,910.15x = 12,499,127.32
  5. Step 5: Solve for x
    x = 12,499,127.32/3,910.15
  6. Step 6: Final answer
    x = 3,196.59

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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.