Home / 3,015.40-4,523.32-935.14

Finding the Fourth Proportional to 3,015.40, 4,523.32 and 935.14

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Solution

The fourth proportional to 3,015.40, 4,523.32 and 935.14 is: 1,402.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015.40 : 4,523.32 = 935.14 : x
  2. Step 2: Convert to fraction form
    3,015.40/4,523.32 = 935.14/x
  3. Step 3: Cross multiply
    3,015.40x = 4,523.32 × 935.14
  4. Step 4: Simplify right side
    3,015.40x = 4,229,937.46
  5. Step 5: Solve for x
    x = 4,229,937.46/3,015.40
  6. Step 6: Final answer
    x = 1,402.78

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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.