Home / 3,022.47-4,534.38-942.45

Finding the Fourth Proportional to 3,022.47, 4,534.38 and 942.45

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Solution

The fourth proportional to 3,022.47, 4,534.38 and 942.45 is: 1,413.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,022.47 : 4,534.38 = 942.45 : x
  2. Step 2: Convert to fraction form
    3,022.47/4,534.38 = 942.45/x
  3. Step 3: Cross multiply
    3,022.47x = 4,534.38 × 942.45
  4. Step 4: Simplify right side
    3,022.47x = 4,273,426.43
  5. Step 5: Solve for x
    x = 4,273,426.43/3,022.47
  6. Step 6: Final answer
    x = 1,413.89

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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.