Home / 2,310.05-3,465.08-1,286.21

Finding the Fourth Proportional to 2,310.05, 3,465.08 and 1,286.21

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Solution

The fourth proportional to 2,310.05, 3,465.08 and 1,286.21 is: 1,929.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,310.05 : 3,465.08 = 1,286.21 : x
  2. Step 2: Convert to fraction form
    2,310.05/3,465.08 = 1,286.21/x
  3. Step 3: Cross multiply
    2,310.05x = 3,465.08 × 1,286.21
  4. Step 4: Simplify right side
    2,310.05x = 4,456,820.55
  5. Step 5: Solve for x
    x = 4,456,820.55/2,310.05
  6. Step 6: Final answer
    x = 1,929.32

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Similar ratio
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1.5x scale

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.