Home / 3,635.61-5,452.29-1,880.07

Finding the Fourth Proportional to 3,635.61, 5,452.29 and 1,880.07

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Solution

The fourth proportional to 3,635.61, 5,452.29 and 1,880.07 is: 2,819.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,635.61 : 5,452.29 = 1,880.07 : x
  2. Step 2: Convert to fraction form
    3,635.61/5,452.29 = 1,880.07/x
  3. Step 3: Cross multiply
    3,635.61x = 5,452.29 × 1,880.07
  4. Step 4: Simplify right side
    3,635.61x = 10,250,686.86
  5. Step 5: Solve for x
    x = 10,250,686.86/3,635.61
  6. Step 6: Final answer
    x = 2,819.52

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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.