Home / 2,796.08-4,192.28-946.80

Finding the Fourth Proportional to 2,796.08, 4,192.28 and 946.80

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Solution

The fourth proportional to 2,796.08, 4,192.28 and 946.80 is: 1,419.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,796.08 : 4,192.28 = 946.80 : x
  2. Step 2: Convert to fraction form
    2,796.08/4,192.28 = 946.80/x
  3. Step 3: Cross multiply
    2,796.08x = 4,192.28 × 946.80
  4. Step 4: Simplify right side
    2,796.08x = 3,969,250.70
  5. Step 5: Solve for x
    x = 3,969,250.70/2,796.08
  6. Step 6: Final answer
    x = 1,419.58

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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.