Home / 3,015.50-4,523.88-935.45

Finding the Fourth Proportional to 3,015.50, 4,523.88 and 935.45

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Solution

The fourth proportional to 3,015.50, 4,523.88 and 935.45 is: 1,403.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015.50 : 4,523.88 = 935.45 : x
  2. Step 2: Convert to fraction form
    3,015.50/4,523.88 = 935.45/x
  3. Step 3: Cross multiply
    3,015.50x = 4,523.88 × 935.45
  4. Step 4: Simplify right side
    3,015.50x = 4,231,861.40
  5. Step 5: Solve for x
    x = 4,231,861.40/3,015.50
  6. Step 6: Final answer
    x = 1,403.37

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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.