Home / 2,470.38-3,705.66-1,170.42

Finding the Fourth Proportional to 2,470.38, 3,705.66 and 1,170.42

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Solution

The fourth proportional to 2,470.38, 3,705.66 and 1,170.42 is: 1,755.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,470.38 : 3,705.66 = 1,170.42 : x
  2. Step 2: Convert to fraction form
    2,470.38/3,705.66 = 1,170.42/x
  3. Step 3: Cross multiply
    2,470.38x = 3,705.66 × 1,170.42
  4. Step 4: Simplify right side
    2,470.38x = 4,337,178.58
  5. Step 5: Solve for x
    x = 4,337,178.58/2,470.38
  6. Step 6: Final answer
    x = 1,755.67

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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.