Home / 3,623.67-5,432.85-1,157.07

Finding the Fourth Proportional to 3,623.67, 5,432.85 and 1,157.07

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Solution

The fourth proportional to 3,623.67, 5,432.85 and 1,157.07 is: 1,734.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,623.67 : 5,432.85 = 1,157.07 : x
  2. Step 2: Convert to fraction form
    3,623.67/5,432.85 = 1,157.07/x
  3. Step 3: Cross multiply
    3,623.67x = 5,432.85 × 1,157.07
  4. Step 4: Simplify right side
    3,623.67x = 6,286,187.75
  5. Step 5: Solve for x
    x = 6,286,187.75/3,623.67
  6. Step 6: Final answer
    x = 1,734.76

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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.