Home / 2,881.73-4,325.67-1,421.91

Finding the Fourth Proportional to 2,881.73, 4,325.67 and 1,421.91

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Solution

The fourth proportional to 2,881.73, 4,325.67 and 1,421.91 is: 2,134.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,881.73 : 4,325.67 = 1,421.91 : x
  2. Step 2: Convert to fraction form
    2,881.73/4,325.67 = 1,421.91/x
  3. Step 3: Cross multiply
    2,881.73x = 4,325.67 × 1,421.91
  4. Step 4: Simplify right side
    2,881.73x = 6,150,713.43
  5. Step 5: Solve for x
    x = 6,150,713.43/2,881.73
  6. Step 6: Final answer
    x = 2,134.38

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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.