Home / 3,623.39-5,432.42-1,156.79

Finding the Fourth Proportional to 3,623.39, 5,432.42 and 1,156.79

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Solution

The fourth proportional to 3,623.39, 5,432.42 and 1,156.79 is: 1,734.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,623.39 : 5,432.42 = 1,156.79 : x
  2. Step 2: Convert to fraction form
    3,623.39/5,432.42 = 1,156.79/x
  3. Step 3: Cross multiply
    3,623.39x = 5,432.42 × 1,156.79
  4. Step 4: Simplify right side
    3,623.39x = 6,284,136.19
  5. Step 5: Solve for x
    x = 6,284,136.19/3,623.39
  6. Step 6: Final answer
    x = 1,734.33

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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.