Home / 2,315.26-3,465.19-1,850.86

Finding the Fourth Proportional to 2,315.26, 3,465.19 and 1,850.86

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Solution

The fourth proportional to 2,315.26, 3,465.19 and 1,850.86 is: 2,770.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,315.26 : 3,465.19 = 1,850.86 : x
  2. Step 2: Convert to fraction form
    2,315.26/3,465.19 = 1,850.86/x
  3. Step 3: Cross multiply
    2,315.26x = 3,465.19 × 1,850.86
  4. Step 4: Simplify right side
    2,315.26x = 6,413,588.21
  5. Step 5: Solve for x
    x = 6,413,588.21/2,315.26
  6. Step 6: Final answer
    x = 2,770.14

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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.