Home / 2,702.60-4,044.90-1,960.10

Finding the Fourth Proportional to 2,702.60, 4,044.90 and 1,960.10

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Solution

The fourth proportional to 2,702.60, 4,044.90 and 1,960.10 is: 2,933.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,702.60 : 4,044.90 = 1,960.10 : x
  2. Step 2: Convert to fraction form
    2,702.60/4,044.90 = 1,960.10/x
  3. Step 3: Cross multiply
    2,702.60x = 4,044.90 × 1,960.10
  4. Step 4: Simplify right side
    2,702.60x = 7,928,408.49
  5. Step 5: Solve for x
    x = 7,928,408.49/2,702.60
  6. Step 6: Final answer
    x = 2,933.62

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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.