Home / 2,733.21-4,095.84-1,560.78

Finding the Fourth Proportional to 2,733.21, 4,095.84 and 1,560.78

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Solution

The fourth proportional to 2,733.21, 4,095.84 and 1,560.78 is: 2,338.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,733.21 : 4,095.84 = 1,560.78 : x
  2. Step 2: Convert to fraction form
    2,733.21/4,095.84 = 1,560.78/x
  3. Step 3: Cross multiply
    2,733.21x = 4,095.84 × 1,560.78
  4. Step 4: Simplify right side
    2,733.21x = 6,392,705.16
  5. Step 5: Solve for x
    x = 6,392,705.16/2,733.21
  6. Step 6: Final answer
    x = 2,338.90

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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.