Home / 3,570.82-5,357.08-1,489.67

Finding the Fourth Proportional to 3,570.82, 5,357.08 and 1,489.67

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Solution

The fourth proportional to 3,570.82, 5,357.08 and 1,489.67 is: 2,234.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,570.82 : 5,357.08 = 1,489.67 : x
  2. Step 2: Convert to fraction form
    3,570.82/5,357.08 = 1,489.67/x
  3. Step 3: Cross multiply
    3,570.82x = 5,357.08 × 1,489.67
  4. Step 4: Simplify right side
    3,570.82x = 7,980,262.77
  5. Step 5: Solve for x
    x = 7,980,262.77/3,570.82
  6. Step 6: Final answer
    x = 2,234.86

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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.