Home / 1,833.12-2,749.36-534.28

Finding the Fourth Proportional to 1,833.12, 2,749.36 and 534.28

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Solution

The fourth proportional to 1,833.12, 2,749.36 and 534.28 is: 801.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,833.12 : 2,749.36 = 534.28 : x
  2. Step 2: Convert to fraction form
    1,833.12/2,749.36 = 534.28/x
  3. Step 3: Cross multiply
    1,833.12x = 2,749.36 × 534.28
  4. Step 4: Simplify right side
    1,833.12x = 1,468,928.06
  5. Step 5: Solve for x
    x = 1,468,928.06/1,833.12
  6. Step 6: Final answer
    x = 801.33

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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.