Home / 3,826.20-5,276.12-2,833.40

Finding the Fourth Proportional to 3,826.20, 5,276.12 and 2,833.40

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Solution

The fourth proportional to 3,826.20, 5,276.12 and 2,833.40 is: 3,907.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,826.20 : 5,276.12 = 2,833.40 : x
  2. Step 2: Convert to fraction form
    3,826.20/5,276.12 = 2,833.40/x
  3. Step 3: Cross multiply
    3,826.20x = 5,276.12 × 2,833.40
  4. Step 4: Simplify right side
    3,826.20x = 14,949,358.41
  5. Step 5: Solve for x
    x = 14,949,358.41/3,826.20
  6. Step 6: Final answer
    x = 3,907.10

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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.