Home / 3,529.89-5,296.63-1,680.66

Finding the Fourth Proportional to 3,529.89, 5,296.63 and 1,680.66

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Solution

The fourth proportional to 3,529.89, 5,296.63 and 1,680.66 is: 2,521.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,529.89 : 5,296.63 = 1,680.66 : x
  2. Step 2: Convert to fraction form
    3,529.89/5,296.63 = 1,680.66/x
  3. Step 3: Cross multiply
    3,529.89x = 5,296.63 × 1,680.66
  4. Step 4: Simplify right side
    3,529.89x = 8,901,834.18
  5. Step 5: Solve for x
    x = 8,901,834.18/3,529.89
  6. Step 6: Final answer
    x = 2,521.84

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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.