Home / 2,549.46-3,826.92-2,143.08

Finding the Fourth Proportional to 2,549.46, 3,826.92 and 2,143.08

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Solution

The fourth proportional to 2,549.46, 3,826.92 and 2,143.08 is: 3,216.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,549.46 : 3,826.92 = 2,143.08 : x
  2. Step 2: Convert to fraction form
    2,549.46/3,826.92 = 2,143.08/x
  3. Step 3: Cross multiply
    2,549.46x = 3,826.92 × 2,143.08
  4. Step 4: Simplify right side
    2,549.46x = 8,201,395.71
  5. Step 5: Solve for x
    x = 8,201,395.71/2,549.46
  6. Step 6: Final answer
    x = 3,216.91

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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.