Home / 2,179.35-3,268.95-1,519.32

Finding the Fourth Proportional to 2,179.35, 3,268.95 and 1,519.32

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Solution

The fourth proportional to 2,179.35, 3,268.95 and 1,519.32 is: 2,278.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179.35 : 3,268.95 = 1,519.32 : x
  2. Step 2: Convert to fraction form
    2,179.35/3,268.95 = 1,519.32/x
  3. Step 3: Cross multiply
    2,179.35x = 3,268.95 × 1,519.32
  4. Step 4: Simplify right side
    2,179.35x = 4,966,581.11
  5. Step 5: Solve for x
    x = 4,966,581.11/2,179.35
  6. Step 6: Final answer
    x = 2,278.93

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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.