Home / 1,033.20-1,548.42-383.28

Finding the Fourth Proportional to 1,033.20, 1,548.42 and 383.28

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Solution

The fourth proportional to 1,033.20, 1,548.42 and 383.28 is: 574.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,033.20 : 1,548.42 = 383.28 : x
  2. Step 2: Convert to fraction form
    1,033.20/1,548.42 = 383.28/x
  3. Step 3: Cross multiply
    1,033.20x = 1,548.42 × 383.28
  4. Step 4: Simplify right side
    1,033.20x = 593,478.42
  5. Step 5: Solve for x
    x = 593,478.42/1,033.20
  6. Step 6: Final answer
    x = 574.41

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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.