Home / 3,709.45-5,565.16-1,629.92

Finding the Fourth Proportional to 3,709.45, 5,565.16 and 1,629.92

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Solution

The fourth proportional to 3,709.45, 5,565.16 and 1,629.92 is: 2,445.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,709.45 : 5,565.16 = 1,629.92 : x
  2. Step 2: Convert to fraction form
    3,709.45/5,565.16 = 1,629.92/x
  3. Step 3: Cross multiply
    3,709.45x = 5,565.16 × 1,629.92
  4. Step 4: Simplify right side
    3,709.45x = 9,070,772.37
  5. Step 5: Solve for x
    x = 9,070,772.37/3,709.45
  6. Step 6: Final answer
    x = 2,445.32

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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.