Home / 3,328.20-4,995.39-1,685.91

Finding the Fourth Proportional to 3,328.20, 4,995.39 and 1,685.91

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Solution

The fourth proportional to 3,328.20, 4,995.39 and 1,685.91 is: 2,530.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,328.20 : 4,995.39 = 1,685.91 : x
  2. Step 2: Convert to fraction form
    3,328.20/4,995.39 = 1,685.91/x
  3. Step 3: Cross multiply
    3,328.20x = 4,995.39 × 1,685.91
  4. Step 4: Simplify right side
    3,328.20x = 8,421,777.95
  5. Step 5: Solve for x
    x = 8,421,777.95/3,328.20
  6. Step 6: Final answer
    x = 2,530.43

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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.