Home / 3,114.60-4,298.02-1,993.96

Finding the Fourth Proportional to 3,114.60, 4,298.02 and 1,993.96

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Solution

The fourth proportional to 3,114.60, 4,298.02 and 1,993.96 is: 2,751.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114.60 : 4,298.02 = 1,993.96 : x
  2. Step 2: Convert to fraction form
    3,114.60/4,298.02 = 1,993.96/x
  3. Step 3: Cross multiply
    3,114.60x = 4,298.02 × 1,993.96
  4. Step 4: Simplify right side
    3,114.60x = 8,570,079.96
  5. Step 5: Solve for x
    x = 8,570,079.96/3,114.60
  6. Step 6: Final answer
    x = 2,751.58

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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.