Home / 2,228.16-3,078.36-1,533.24

Finding the Fourth Proportional to 2,228.16, 3,078.36 and 1,533.24

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Solution

The fourth proportional to 2,228.16, 3,078.36 and 1,533.24 is: 2,118.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,228.16 : 3,078.36 = 1,533.24 : x
  2. Step 2: Convert to fraction form
    2,228.16/3,078.36 = 1,533.24/x
  3. Step 3: Cross multiply
    2,228.16x = 3,078.36 × 1,533.24
  4. Step 4: Simplify right side
    2,228.16x = 4,719,864.69
  5. Step 5: Solve for x
    x = 4,719,864.69/2,228.16
  6. Step 6: Final answer
    x = 2,118.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.