Home / 2,730.20-4,095.30-2,074.10

Finding the Fourth Proportional to 2,730.20, 4,095.30 and 2,074.10

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Solution

The fourth proportional to 2,730.20, 4,095.30 and 2,074.10 is: 3,111.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,730.20 : 4,095.30 = 2,074.10 : x
  2. Step 2: Convert to fraction form
    2,730.20/4,095.30 = 2,074.10/x
  3. Step 3: Cross multiply
    2,730.20x = 4,095.30 × 2,074.10
  4. Step 4: Simplify right side
    2,730.20x = 8,494,061.73
  5. Step 5: Solve for x
    x = 8,494,061.73/2,730.20
  6. Step 6: Final answer
    x = 3,111.15

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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.