Home / 3,147.02-4,721.14-1,199.06

Finding the Fourth Proportional to 3,147.02, 4,721.14 and 1,199.06

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Solution

The fourth proportional to 3,147.02, 4,721.14 and 1,199.06 is: 1,798.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147.02 : 4,721.14 = 1,199.06 : x
  2. Step 2: Convert to fraction form
    3,147.02/4,721.14 = 1,199.06/x
  3. Step 3: Cross multiply
    3,147.02x = 4,721.14 × 1,199.06
  4. Step 4: Simplify right side
    3,147.02x = 5,660,930.13
  5. Step 5: Solve for x
    x = 5,660,930.13/3,147.02
  6. Step 6: Final answer
    x = 1,798.82

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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.