Home / 3,278.83-4,919.02-1,718.00

Finding the Fourth Proportional to 3,278.83, 4,919.02 and 1,718.00

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Solution

The fourth proportional to 3,278.83, 4,919.02 and 1,718.00 is: 2,577.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278.83 : 4,919.02 = 1,718.00 : x
  2. Step 2: Convert to fraction form
    3,278.83/4,919.02 = 1,718.00/x
  3. Step 3: Cross multiply
    3,278.83x = 4,919.02 × 1,718.00
  4. Step 4: Simplify right side
    3,278.83x = 8,450,884.36
  5. Step 5: Solve for x
    x = 8,450,884.36/3,278.83
  6. Step 6: Final answer
    x = 2,577.41

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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.