Home / 3,518.07-5,279.70-1,669.19

Finding the Fourth Proportional to 3,518.07, 5,279.70 and 1,669.19

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Solution

The fourth proportional to 3,518.07, 5,279.70 and 1,669.19 is: 2,505.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,518.07 : 5,279.70 = 1,669.19 : x
  2. Step 2: Convert to fraction form
    3,518.07/5,279.70 = 1,669.19/x
  3. Step 3: Cross multiply
    3,518.07x = 5,279.70 × 1,669.19
  4. Step 4: Simplify right side
    3,518.07x = 8,812,822.44
  5. Step 5: Solve for x
    x = 8,812,822.44/3,518.07
  6. Step 6: Final answer
    x = 2,505.02

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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.