Home / 3,040.14-4,560.21-960.15

Finding the Fourth Proportional to 3,040.14, 4,560.21 and 960.15

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Solution

The fourth proportional to 3,040.14, 4,560.21 and 960.15 is: 1,440.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,040.14 : 4,560.21 = 960.15 : x
  2. Step 2: Convert to fraction form
    3,040.14/4,560.21 = 960.15/x
  3. Step 3: Cross multiply
    3,040.14x = 4,560.21 × 960.15
  4. Step 4: Simplify right side
    3,040.14x = 4,378,485.63
  5. Step 5: Solve for x
    x = 4,378,485.63/3,040.14
  6. Step 6: Final answer
    x = 1,440.23

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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.