Home / 2,862.20-3,950.46-1,683.95

Finding the Fourth Proportional to 2,862.20, 3,950.46 and 1,683.95

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Solution

The fourth proportional to 2,862.20, 3,950.46 and 1,683.95 is: 2,324.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,862.20 : 3,950.46 = 1,683.95 : x
  2. Step 2: Convert to fraction form
    2,862.20/3,950.46 = 1,683.95/x
  3. Step 3: Cross multiply
    2,862.20x = 3,950.46 × 1,683.95
  4. Step 4: Simplify right side
    2,862.20x = 6,652,377.12
  5. Step 5: Solve for x
    x = 6,652,377.12/2,862.20
  6. Step 6: Final answer
    x = 2,324.22

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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.