Home / 2,909.12-4,363.74-2,683.43

Finding the Fourth Proportional to 2,909.12, 4,363.74 and 2,683.43

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Solution

The fourth proportional to 2,909.12, 4,363.74 and 2,683.43 is: 4,025.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909.12 : 4,363.74 = 2,683.43 : x
  2. Step 2: Convert to fraction form
    2,909.12/4,363.74 = 2,683.43/x
  3. Step 3: Cross multiply
    2,909.12x = 4,363.74 × 2,683.43
  4. Step 4: Simplify right side
    2,909.12x = 11,709,785.37
  5. Step 5: Solve for x
    x = 11,709,785.37/2,909.12
  6. Step 6: Final answer
    x = 4,025.21

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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.