Home / 3,197.25-4,798.05-1,145.25

Finding the Fourth Proportional to 3,197.25, 4,798.05 and 1,145.25

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Solution

The fourth proportional to 3,197.25, 4,798.05 and 1,145.25 is: 1,718.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,197.25 : 4,798.05 = 1,145.25 : x
  2. Step 2: Convert to fraction form
    3,197.25/4,798.05 = 1,145.25/x
  3. Step 3: Cross multiply
    3,197.25x = 4,798.05 × 1,145.25
  4. Step 4: Simplify right side
    3,197.25x = 5,494,966.76
  5. Step 5: Solve for x
    x = 5,494,966.76/3,197.25
  6. Step 6: Final answer
    x = 1,718.65

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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.