Home / 3,228.16-4,840.56-1,147.36

Finding the Fourth Proportional to 3,228.16, 4,840.56 and 1,147.36

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Solution

The fourth proportional to 3,228.16, 4,840.56 and 1,147.36 is: 1,720.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,228.16 : 4,840.56 = 1,147.36 : x
  2. Step 2: Convert to fraction form
    3,228.16/4,840.56 = 1,147.36/x
  3. Step 3: Cross multiply
    3,228.16x = 4,840.56 × 1,147.36
  4. Step 4: Simplify right side
    3,228.16x = 5,553,864.92
  5. Step 5: Solve for x
    x = 5,553,864.92/3,228.16
  6. Step 6: Final answer
    x = 1,720.44

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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.