Home / 3,653.35-5,480.56-1,153.69

Finding the Fourth Proportional to 3,653.35, 5,480.56 and 1,153.69

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Solution

The fourth proportional to 3,653.35, 5,480.56 and 1,153.69 is: 1,730.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,653.35 : 5,480.56 = 1,153.69 : x
  2. Step 2: Convert to fraction form
    3,653.35/5,480.56 = 1,153.69/x
  3. Step 3: Cross multiply
    3,653.35x = 5,480.56 × 1,153.69
  4. Step 4: Simplify right side
    3,653.35x = 6,322,871.23
  5. Step 5: Solve for x
    x = 6,322,871.23/3,653.35
  6. Step 6: Final answer
    x = 1,730.70

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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.