Home / 3,639.32-5,457.46-1,173.48

Finding the Fourth Proportional to 3,639.32, 5,457.46 and 1,173.48

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Solution

The fourth proportional to 3,639.32, 5,457.46 and 1,173.48 is: 1,759.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639.32 : 5,457.46 = 1,173.48 : x
  2. Step 2: Convert to fraction form
    3,639.32/5,457.46 = 1,173.48/x
  3. Step 3: Cross multiply
    3,639.32x = 5,457.46 × 1,173.48
  4. Step 4: Simplify right side
    3,639.32x = 6,404,220.16
  5. Step 5: Solve for x
    x = 6,404,220.16/3,639.32
  6. Step 6: Final answer
    x = 1,759.73

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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.