Home / 3,642.35-5,465.13-1,910.57

Finding the Fourth Proportional to 3,642.35, 5,465.13 and 1,910.57

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Solution

The fourth proportional to 3,642.35, 5,465.13 and 1,910.57 is: 2,866.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,642.35 : 5,465.13 = 1,910.57 : x
  2. Step 2: Convert to fraction form
    3,642.35/5,465.13 = 1,910.57/x
  3. Step 3: Cross multiply
    3,642.35x = 5,465.13 × 1,910.57
  4. Step 4: Simplify right side
    3,642.35x = 10,441,513.42
  5. Step 5: Solve for x
    x = 10,441,513.42/3,642.35
  6. Step 6: Final answer
    x = 2,866.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.