Home / 3,434.47-4,739.73-1,942.64

Finding the Fourth Proportional to 3,434.47, 4,739.73 and 1,942.64

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Solution

The fourth proportional to 3,434.47, 4,739.73 and 1,942.64 is: 2,680.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,434.47 : 4,739.73 = 1,942.64 : x
  2. Step 2: Convert to fraction form
    3,434.47/4,739.73 = 1,942.64/x
  3. Step 3: Cross multiply
    3,434.47x = 4,739.73 × 1,942.64
  4. Step 4: Simplify right side
    3,434.47x = 9,207,575.88
  5. Step 5: Solve for x
    x = 9,207,575.88/3,434.47
  6. Step 6: Final answer
    x = 2,680.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.