Home / 2,768.96-4,149.02-1,937.60

Finding the Fourth Proportional to 2,768.96, 4,149.02 and 1,937.60

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Solution

The fourth proportional to 2,768.96, 4,149.02 and 1,937.60 is: 2,903.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768.96 : 4,149.02 = 1,937.60 : x
  2. Step 2: Convert to fraction form
    2,768.96/4,149.02 = 1,937.60/x
  3. Step 3: Cross multiply
    2,768.96x = 4,149.02 × 1,937.60
  4. Step 4: Simplify right side
    2,768.96x = 8,039,140.81
  5. Step 5: Solve for x
    x = 8,039,140.81/2,768.96
  6. Step 6: Final answer
    x = 2,903.30

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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.