Home / 1,619.32-2,235.20-1,096.08

Finding the Fourth Proportional to 1,619.32, 2,235.20 and 1,096.08

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Solution

The fourth proportional to 1,619.32, 2,235.20 and 1,096.08 is: 1,512.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619.32 : 2,235.20 = 1,096.08 : x
  2. Step 2: Convert to fraction form
    1,619.32/2,235.20 = 1,096.08/x
  3. Step 3: Cross multiply
    1,619.32x = 2,235.20 × 1,096.08
  4. Step 4: Simplify right side
    1,619.32x = 2,449,958.02
  5. Step 5: Solve for x
    x = 2,449,958.02/1,619.32
  6. Step 6: Final answer
    x = 1,512.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.