Home / 2,891.64-4,329.92-1,901.34

Finding the Fourth Proportional to 2,891.64, 4,329.92 and 1,901.34

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Solution

The fourth proportional to 2,891.64, 4,329.92 and 1,901.34 is: 2,847.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891.64 : 4,329.92 = 1,901.34 : x
  2. Step 2: Convert to fraction form
    2,891.64/4,329.92 = 1,901.34/x
  3. Step 3: Cross multiply
    2,891.64x = 4,329.92 × 1,901.34
  4. Step 4: Simplify right side
    2,891.64x = 8,232,650.09
  5. Step 5: Solve for x
    x = 8,232,650.09/2,891.64
  6. Step 6: Final answer
    x = 2,847.05

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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.