Home / 3,228.66-4,840.02-1,147.23

Finding the Fourth Proportional to 3,228.66, 4,840.02 and 1,147.23

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Solution

The fourth proportional to 3,228.66, 4,840.02 and 1,147.23 is: 1,719.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,228.66 : 4,840.02 = 1,147.23 : x
  2. Step 2: Convert to fraction form
    3,228.66/4,840.02 = 1,147.23/x
  3. Step 3: Cross multiply
    3,228.66x = 4,840.02 × 1,147.23
  4. Step 4: Simplify right side
    3,228.66x = 5,552,616.14
  5. Step 5: Solve for x
    x = 5,552,616.14/3,228.66
  6. Step 6: Final answer
    x = 1,719.79

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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.