Home / 2,729.70-4,095.90-1,560.60

Finding the Fourth Proportional to 2,729.70, 4,095.90 and 1,560.60

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Solution

The fourth proportional to 2,729.70, 4,095.90 and 1,560.60 is: 2,341.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,729.70 : 4,095.90 = 1,560.60 : x
  2. Step 2: Convert to fraction form
    2,729.70/4,095.90 = 1,560.60/x
  3. Step 3: Cross multiply
    2,729.70x = 4,095.90 × 1,560.60
  4. Step 4: Simplify right side
    2,729.70x = 6,392,061.54
  5. Step 5: Solve for x
    x = 6,392,061.54/2,729.70
  6. Step 6: Final answer
    x = 2,341.67

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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.