Home / 3,205.02-4,806.78-1,560.72

Finding the Fourth Proportional to 3,205.02, 4,806.78 and 1,560.72

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Solution

The fourth proportional to 3,205.02, 4,806.78 and 1,560.72 is: 2,340.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,205.02 : 4,806.78 = 1,560.72 : x
  2. Step 2: Convert to fraction form
    3,205.02/4,806.78 = 1,560.72/x
  3. Step 3: Cross multiply
    3,205.02x = 4,806.78 × 1,560.72
  4. Step 4: Simplify right side
    3,205.02x = 7,502,037.68
  5. Step 5: Solve for x
    x = 7,502,037.68/3,205.02
  6. Step 6: Final answer
    x = 2,340.71

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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.