Home / 3,569.44-5,355.69-1,379.70

Finding the Fourth Proportional to 3,569.44, 5,355.69 and 1,379.70

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Solution

The fourth proportional to 3,569.44, 5,355.69 and 1,379.70 is: 2,070.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,569.44 : 5,355.69 = 1,379.70 : x
  2. Step 2: Convert to fraction form
    3,569.44/5,355.69 = 1,379.70/x
  3. Step 3: Cross multiply
    3,569.44x = 5,355.69 × 1,379.70
  4. Step 4: Simplify right side
    3,569.44x = 7,389,245.49
  5. Step 5: Solve for x
    x = 7,389,245.49/3,569.44
  6. Step 6: Final answer
    x = 2,070.14

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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.