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Finding the Fourth Proportional to 2,572.15, 3,550.15 and 1,453.74

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Solution

The fourth proportional to 2,572.15, 3,550.15 and 1,453.74 is: 2,006.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,572.15 : 3,550.15 = 1,453.74 : x
  2. Step 2: Convert to fraction form
    2,572.15/3,550.15 = 1,453.74/x
  3. Step 3: Cross multiply
    2,572.15x = 3,550.15 × 1,453.74
  4. Step 4: Simplify right side
    2,572.15x = 5,160,976.85
  5. Step 5: Solve for x
    x = 5,160,976.85/2,572.15
  6. Step 6: Final answer
    x = 2,006.48

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.