Home / 2,838.90-4,246.20-2,182.80

Finding the Fourth Proportional to 2,838.90, 4,246.20 and 2,182.80

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Solution

The fourth proportional to 2,838.90, 4,246.20 and 2,182.80 is: 3,264.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,838.90 : 4,246.20 = 2,182.80 : x
  2. Step 2: Convert to fraction form
    2,838.90/4,246.20 = 2,182.80/x
  3. Step 3: Cross multiply
    2,838.90x = 4,246.20 × 2,182.80
  4. Step 4: Simplify right side
    2,838.90x = 9,268,605.36
  5. Step 5: Solve for x
    x = 9,268,605.36/2,838.90
  6. Step 6: Final answer
    x = 3,264.86

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1.5x scale

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.