Home / 2,245.47-3,369.57-946.94

Finding the Fourth Proportional to 2,245.47, 3,369.57 and 946.94

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Solution

The fourth proportional to 2,245.47, 3,369.57 and 946.94 is: 1,420.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,245.47 : 3,369.57 = 946.94 : x
  2. Step 2: Convert to fraction form
    2,245.47/3,369.57 = 946.94/x
  3. Step 3: Cross multiply
    2,245.47x = 3,369.57 × 946.94
  4. Step 4: Simplify right side
    2,245.47x = 3,190,772.19
  5. Step 5: Solve for x
    x = 3,190,772.19/2,245.47
  6. Step 6: Final answer
    x = 1,420.98

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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.