Home / 2,891.15-4,336.62-943.35

Finding the Fourth Proportional to 2,891.15, 4,336.62 and 943.35

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Solution

The fourth proportional to 2,891.15, 4,336.62 and 943.35 is: 1,414.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891.15 : 4,336.62 = 943.35 : x
  2. Step 2: Convert to fraction form
    2,891.15/4,336.62 = 943.35/x
  3. Step 3: Cross multiply
    2,891.15x = 4,336.62 × 943.35
  4. Step 4: Simplify right side
    2,891.15x = 4,090,950.48
  5. Step 5: Solve for x
    x = 4,090,950.48/2,891.15
  6. Step 6: Final answer
    x = 1,414.99

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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.