Home / 3,572.69-5,358.40-1,379.61

Finding the Fourth Proportional to 3,572.69, 5,358.40 and 1,379.61

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Solution

The fourth proportional to 3,572.69, 5,358.40 and 1,379.61 is: 2,069.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,572.69 : 5,358.40 = 1,379.61 : x
  2. Step 2: Convert to fraction form
    3,572.69/5,358.40 = 1,379.61/x
  3. Step 3: Cross multiply
    3,572.69x = 5,358.40 × 1,379.61
  4. Step 4: Simplify right side
    3,572.69x = 7,392,498.77
  5. Step 5: Solve for x
    x = 7,392,498.77/3,572.69
  6. Step 6: Final answer
    x = 2,069.17

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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.