Home / 2,671.30-4,002.10-1,970.26

Finding the Fourth Proportional to 2,671.30, 4,002.10 and 1,970.26

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Solution

The fourth proportional to 2,671.30, 4,002.10 and 1,970.26 is: 2,951.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,671.30 : 4,002.10 = 1,970.26 : x
  2. Step 2: Convert to fraction form
    2,671.30/4,002.10 = 1,970.26/x
  3. Step 3: Cross multiply
    2,671.30x = 4,002.10 × 1,970.26
  4. Step 4: Simplify right side
    2,671.30x = 7,885,177.55
  5. Step 5: Solve for x
    x = 7,885,177.55/2,671.30
  6. Step 6: Final answer
    x = 2,951.81

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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.