Home / 3,623.50-5,435.64-1,157.74

Finding the Fourth Proportional to 3,623.50, 5,435.64 and 1,157.74

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Solution

The fourth proportional to 3,623.50, 5,435.64 and 1,157.74 is: 1,736.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,623.50 : 5,435.64 = 1,157.74 : x
  2. Step 2: Convert to fraction form
    3,623.50/5,435.64 = 1,157.74/x
  3. Step 3: Cross multiply
    3,623.50x = 5,435.64 × 1,157.74
  4. Step 4: Simplify right side
    3,623.50x = 6,293,057.85
  5. Step 5: Solve for x
    x = 6,293,057.85/3,623.50
  6. Step 6: Final answer
    x = 1,736.73

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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.