Home / 1,482.08-2,218.28-1,091.92

Finding the Fourth Proportional to 1,482.08, 2,218.28 and 1,091.92

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Solution

The fourth proportional to 1,482.08, 2,218.28 and 1,091.92 is: 1,634.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,482.08 : 2,218.28 = 1,091.92 : x
  2. Step 2: Convert to fraction form
    1,482.08/2,218.28 = 1,091.92/x
  3. Step 3: Cross multiply
    1,482.08x = 2,218.28 × 1,091.92
  4. Step 4: Simplify right side
    1,482.08x = 2,422,184.30
  5. Step 5: Solve for x
    x = 2,422,184.30/1,482.08
  6. Step 6: Final answer
    x = 1,634.32

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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.