Home / 2,891.19-4,336.39-1,042.05

Finding the Fourth Proportional to 2,891.19, 4,336.39 and 1,042.05

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Solution

The fourth proportional to 2,891.19, 4,336.39 and 1,042.05 is: 1,562.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891.19 : 4,336.39 = 1,042.05 : x
  2. Step 2: Convert to fraction form
    2,891.19/4,336.39 = 1,042.05/x
  3. Step 3: Cross multiply
    2,891.19x = 4,336.39 × 1,042.05
  4. Step 4: Simplify right side
    2,891.19x = 4,518,735.20
  5. Step 5: Solve for x
    x = 4,518,735.20/2,891.19
  6. Step 6: Final answer
    x = 1,562.93

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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.