Home / 3,683.80-5,083.08-2,191.69

Finding the Fourth Proportional to 3,683.80, 5,083.08 and 2,191.69

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Solution

The fourth proportional to 3,683.80, 5,083.08 and 2,191.69 is: 3,024.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,683.80 : 5,083.08 = 2,191.69 : x
  2. Step 2: Convert to fraction form
    3,683.80/5,083.08 = 2,191.69/x
  3. Step 3: Cross multiply
    3,683.80x = 5,083.08 × 2,191.69
  4. Step 4: Simplify right side
    3,683.80x = 11,140,535.61
  5. Step 5: Solve for x
    x = 11,140,535.61/3,683.80
  6. Step 6: Final answer
    x = 3,024.20

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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.