Home / 3,653.45-5,480.63-1,188.53

Finding the Fourth Proportional to 3,653.45, 5,480.63 and 1,188.53

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Solution

The fourth proportional to 3,653.45, 5,480.63 and 1,188.53 is: 1,782.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,653.45 : 5,480.63 = 1,188.53 : x
  2. Step 2: Convert to fraction form
    3,653.45/5,480.63 = 1,188.53/x
  3. Step 3: Cross multiply
    3,653.45x = 5,480.63 × 1,188.53
  4. Step 4: Simplify right side
    3,653.45x = 6,513,859.83
  5. Step 5: Solve for x
    x = 6,513,859.83/3,653.45
  6. Step 6: Final answer
    x = 1,782.94

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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.