Home / 2,891.16-4,337.19-942.91

Finding the Fourth Proportional to 2,891.16, 4,337.19 and 942.91

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Solution

The fourth proportional to 2,891.16, 4,337.19 and 942.91 is: 1,414.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891.16 : 4,337.19 = 942.91 : x
  2. Step 2: Convert to fraction form
    2,891.16/4,337.19 = 942.91/x
  3. Step 3: Cross multiply
    2,891.16x = 4,337.19 × 942.91
  4. Step 4: Simplify right side
    2,891.16x = 4,089,579.82
  5. Step 5: Solve for x
    x = 4,089,579.82/2,891.16
  6. Step 6: Final answer
    x = 1,414.51

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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.