Home / 2,180.08-3,268.98-946.84

Finding the Fourth Proportional to 2,180.08, 3,268.98 and 946.84

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Solution

The fourth proportional to 2,180.08, 3,268.98 and 946.84 is: 1,419.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180.08 : 3,268.98 = 946.84 : x
  2. Step 2: Convert to fraction form
    2,180.08/3,268.98 = 946.84/x
  3. Step 3: Cross multiply
    2,180.08x = 3,268.98 × 946.84
  4. Step 4: Simplify right side
    2,180.08x = 3,095,201.02
  5. Step 5: Solve for x
    x = 3,095,201.02/2,180.08
  6. Step 6: Final answer
    x = 1,419.76

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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.