Home / 2,671.13-4,007.33-1,209.89

Finding the Fourth Proportional to 2,671.13, 4,007.33 and 1,209.89

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Solution

The fourth proportional to 2,671.13, 4,007.33 and 1,209.89 is: 1,815.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,671.13 : 4,007.33 = 1,209.89 : x
  2. Step 2: Convert to fraction form
    2,671.13/4,007.33 = 1,209.89/x
  3. Step 3: Cross multiply
    2,671.13x = 4,007.33 × 1,209.89
  4. Step 4: Simplify right side
    2,671.13x = 4,848,402.41
  5. Step 5: Solve for x
    x = 4,848,402.41/2,671.13
  6. Step 6: Final answer
    x = 1,815.12

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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.