Home / 2,069.45-3,101.64-836.22

Finding the Fourth Proportional to 2,069.45, 3,101.64 and 836.22

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Solution

The fourth proportional to 2,069.45, 3,101.64 and 836.22 is: 1,253.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,069.45 : 3,101.64 = 836.22 : x
  2. Step 2: Convert to fraction form
    2,069.45/3,101.64 = 836.22/x
  3. Step 3: Cross multiply
    2,069.45x = 3,101.64 × 836.22
  4. Step 4: Simplify right side
    2,069.45x = 2,593,666.60
  5. Step 5: Solve for x
    x = 2,593,666.60/2,069.45
  6. Step 6: Final answer
    x = 1,253.31

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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.