Home / 1,048.41-1,569.47-636.26

Finding the Fourth Proportional to 1,048.41, 1,569.47 and 636.26

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Solution

The fourth proportional to 1,048.41, 1,569.47 and 636.26 is: 952.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048.41 : 1,569.47 = 636.26 : x
  2. Step 2: Convert to fraction form
    1,048.41/1,569.47 = 636.26/x
  3. Step 3: Cross multiply
    1,048.41x = 1,569.47 × 636.26
  4. Step 4: Simplify right side
    1,048.41x = 998,579.95
  5. Step 5: Solve for x
    x = 998,579.95/1,048.41
  6. Step 6: Final answer
    x = 952.47

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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.