Home / 2,672.39-4,010.09-1,439.77

Finding the Fourth Proportional to 2,672.39, 4,010.09 and 1,439.77

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Solution

The fourth proportional to 2,672.39, 4,010.09 and 1,439.77 is: 2,160.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,672.39 : 4,010.09 = 1,439.77 : x
  2. Step 2: Convert to fraction form
    2,672.39/4,010.09 = 1,439.77/x
  3. Step 3: Cross multiply
    2,672.39x = 4,010.09 × 1,439.77
  4. Step 4: Simplify right side
    2,672.39x = 5,773,607.28
  5. Step 5: Solve for x
    x = 5,773,607.28/2,672.39
  6. Step 6: Final answer
    x = 2,160.47

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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.