Home / 2,919.96-4,397.13-2,103.93

Finding the Fourth Proportional to 2,919.96, 4,397.13 and 2,103.93

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Solution

The fourth proportional to 2,919.96, 4,397.13 and 2,103.93 is: 3,168.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,919.96 : 4,397.13 = 2,103.93 : x
  2. Step 2: Convert to fraction form
    2,919.96/4,397.13 = 2,103.93/x
  3. Step 3: Cross multiply
    2,919.96x = 4,397.13 × 2,103.93
  4. Step 4: Simplify right side
    2,919.96x = 9,251,253.72
  5. Step 5: Solve for x
    x = 9,251,253.72/2,919.96
  6. Step 6: Final answer
    x = 3,168.28

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.