Home / 2,177.94-3,243.86-2,167.32

Finding the Fourth Proportional to 2,177.94, 3,243.86 and 2,167.32

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Solution

The fourth proportional to 2,177.94, 3,243.86 and 2,167.32 is: 3,228.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177.94 : 3,243.86 = 2,167.32 : x
  2. Step 2: Convert to fraction form
    2,177.94/3,243.86 = 2,167.32/x
  3. Step 3: Cross multiply
    2,177.94x = 3,243.86 × 2,167.32
  4. Step 4: Simplify right side
    2,177.94x = 7,030,475.88
  5. Step 5: Solve for x
    x = 7,030,475.88/2,177.94
  6. Step 6: Final answer
    x = 3,228.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.