Home / 3,653.22-5,479.32-1,188.06

Finding the Fourth Proportional to 3,653.22, 5,479.32 and 1,188.06

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Solution

The fourth proportional to 3,653.22, 5,479.32 and 1,188.06 is: 1,781.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,653.22 : 5,479.32 = 1,188.06 : x
  2. Step 2: Convert to fraction form
    3,653.22/5,479.32 = 1,188.06/x
  3. Step 3: Cross multiply
    3,653.22x = 5,479.32 × 1,188.06
  4. Step 4: Simplify right side
    3,653.22x = 6,509,760.92
  5. Step 5: Solve for x
    x = 6,509,760.92/3,653.22
  6. Step 6: Final answer
    x = 1,781.92

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1.5x scale

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.