Home / 3,145.02-4,718.13-1,197.06

Finding the Fourth Proportional to 3,145.02, 4,718.13 and 1,197.06

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Solution

The fourth proportional to 3,145.02, 4,718.13 and 1,197.06 is: 1,795.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,145.02 : 4,718.13 = 1,197.06 : x
  2. Step 2: Convert to fraction form
    3,145.02/4,718.13 = 1,197.06/x
  3. Step 3: Cross multiply
    3,145.02x = 4,718.13 × 1,197.06
  4. Step 4: Simplify right side
    3,145.02x = 5,647,884.70
  5. Step 5: Solve for x
    x = 5,647,884.70/3,145.02
  6. Step 6: Final answer
    x = 1,795.82

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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.