Home / 1,075.33-1,483.27-948.97

Finding the Fourth Proportional to 1,075.33, 1,483.27 and 948.97

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Solution

The fourth proportional to 1,075.33, 1,483.27 and 948.97 is: 1,308.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075.33 : 1,483.27 = 948.97 : x
  2. Step 2: Convert to fraction form
    1,075.33/1,483.27 = 948.97/x
  3. Step 3: Cross multiply
    1,075.33x = 1,483.27 × 948.97
  4. Step 4: Simplify right side
    1,075.33x = 1,407,578.73
  5. Step 5: Solve for x
    x = 1,407,578.73/1,075.33
  6. Step 6: Final answer
    x = 1,308.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.