Home / 3,002.60-4,509.30-2,181.80

Finding the Fourth Proportional to 3,002.60, 4,509.30 and 2,181.80

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Solution

The fourth proportional to 3,002.60, 4,509.30 and 2,181.80 is: 3,276.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,002.60 : 4,509.30 = 2,181.80 : x
  2. Step 2: Convert to fraction form
    3,002.60/4,509.30 = 2,181.80/x
  3. Step 3: Cross multiply
    3,002.60x = 4,509.30 × 2,181.80
  4. Step 4: Simplify right side
    3,002.60x = 9,838,390.74
  5. Step 5: Solve for x
    x = 9,838,390.74/3,002.60
  6. Step 6: Final answer
    x = 3,276.62

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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.