Home / 3,363.83-4,639.50-2,986.11

Finding the Fourth Proportional to 3,363.83, 4,639.50 and 2,986.11

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Solution

The fourth proportional to 3,363.83, 4,639.50 and 2,986.11 is: 4,118.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,363.83 : 4,639.50 = 2,986.11 : x
  2. Step 2: Convert to fraction form
    3,363.83/4,639.50 = 2,986.11/x
  3. Step 3: Cross multiply
    3,363.83x = 4,639.50 × 2,986.11
  4. Step 4: Simplify right side
    3,363.83x = 13,854,057.35
  5. Step 5: Solve for x
    x = 13,854,057.35/3,363.83
  6. Step 6: Final answer
    x = 4,118.54

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1.5x scale

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.