Home / 1,048.27-1,572.36-268.29

Finding the Fourth Proportional to 1,048.27, 1,572.36 and 268.29

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Solution

The fourth proportional to 1,048.27, 1,572.36 and 268.29 is: 402.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048.27 : 1,572.36 = 268.29 : x
  2. Step 2: Convert to fraction form
    1,048.27/1,572.36 = 268.29/x
  3. Step 3: Cross multiply
    1,048.27x = 1,572.36 × 268.29
  4. Step 4: Simplify right side
    1,048.27x = 421,839.26
  5. Step 5: Solve for x
    x = 421,839.26/1,048.27
  6. Step 6: Final answer
    x = 402.42

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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.