Home / 3,285.68-4,925.58-1,205.20

Finding the Fourth Proportional to 3,285.68, 4,925.58 and 1,205.20

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Solution

The fourth proportional to 3,285.68, 4,925.58 and 1,205.20 is: 1,806.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,285.68 : 4,925.58 = 1,205.20 : x
  2. Step 2: Convert to fraction form
    3,285.68/4,925.58 = 1,205.20/x
  3. Step 3: Cross multiply
    3,285.68x = 4,925.58 × 1,205.20
  4. Step 4: Simplify right side
    3,285.68x = 5,936,293.12
  5. Step 5: Solve for x
    x = 5,936,293.12/3,285.68
  6. Step 6: Final answer
    x = 1,806.72

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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.