Home / 2,989.50-4,126.02-1,944.60

Finding the Fourth Proportional to 2,989.50, 4,126.02 and 1,944.60

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Solution

The fourth proportional to 2,989.50, 4,126.02 and 1,944.60 is: 2,683.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989.50 : 4,126.02 = 1,944.60 : x
  2. Step 2: Convert to fraction form
    2,989.50/4,126.02 = 1,944.60/x
  3. Step 3: Cross multiply
    2,989.50x = 4,126.02 × 1,944.60
  4. Step 4: Simplify right side
    2,989.50x = 8,023,458.49
  5. Step 5: Solve for x
    x = 8,023,458.49/2,989.50
  6. Step 6: Final answer
    x = 2,683.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.