Home / 3,109.01-4,655.31-1,874.75

Finding the Fourth Proportional to 3,109.01, 4,655.31 and 1,874.75

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Solution

The fourth proportional to 3,109.01, 4,655.31 and 1,874.75 is: 2,807.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109.01 : 4,655.31 = 1,874.75 : x
  2. Step 2: Convert to fraction form
    3,109.01/4,655.31 = 1,874.75/x
  3. Step 3: Cross multiply
    3,109.01x = 4,655.31 × 1,874.75
  4. Step 4: Simplify right side
    3,109.01x = 8,727,542.42
  5. Step 5: Solve for x
    x = 8,727,542.42/3,109.01
  6. Step 6: Final answer
    x = 2,807.18

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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.