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Finding the Fourth Proportional to 1,833.80, 2,751.20 and 601.28

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Solution

The fourth proportional to 1,833.80, 2,751.20 and 601.28 is: 902.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,833.80 : 2,751.20 = 601.28 : x
  2. Step 2: Convert to fraction form
    1,833.80/2,751.20 = 601.28/x
  3. Step 3: Cross multiply
    1,833.80x = 2,751.20 × 601.28
  4. Step 4: Simplify right side
    1,833.80x = 1,654,224.77
  5. Step 5: Solve for x
    x = 1,654,224.77/1,833.80
  6. Step 6: Final answer
    x = 902.08

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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.