Home / 2,891.14-4,340.43-1,505.43

Finding the Fourth Proportional to 2,891.14, 4,340.43 and 1,505.43

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Solution

The fourth proportional to 2,891.14, 4,340.43 and 1,505.43 is: 2,260.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891.14 : 4,340.43 = 1,505.43 : x
  2. Step 2: Convert to fraction form
    2,891.14/4,340.43 = 1,505.43/x
  3. Step 3: Cross multiply
    2,891.14x = 4,340.43 × 1,505.43
  4. Step 4: Simplify right side
    2,891.14x = 6,534,213.53
  5. Step 5: Solve for x
    x = 6,534,213.53/2,891.14
  6. Step 6: Final answer
    x = 2,260.08

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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.