Home / 3,528.03-5,291.91-1,680.48

Finding the Fourth Proportional to 3,528.03, 5,291.91 and 1,680.48

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Solution

The fourth proportional to 3,528.03, 5,291.91 and 1,680.48 is: 2,520.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,528.03 : 5,291.91 = 1,680.48 : x
  2. Step 2: Convert to fraction form
    3,528.03/5,291.91 = 1,680.48/x
  3. Step 3: Cross multiply
    3,528.03x = 5,291.91 × 1,680.48
  4. Step 4: Simplify right side
    3,528.03x = 8,892,948.92
  5. Step 5: Solve for x
    x = 8,892,948.92/3,528.03
  6. Step 6: Final answer
    x = 2,520.66

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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.