Home / 1,180.07-1,767.37-948.31

Finding the Fourth Proportional to 1,180.07, 1,767.37 and 948.31

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Solution

The fourth proportional to 1,180.07, 1,767.37 and 948.31 is: 1,420.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180.07 : 1,767.37 = 948.31 : x
  2. Step 2: Convert to fraction form
    1,180.07/1,767.37 = 948.31/x
  3. Step 3: Cross multiply
    1,180.07x = 1,767.37 × 948.31
  4. Step 4: Simplify right side
    1,180.07x = 1,676,009.63
  5. Step 5: Solve for x
    x = 1,676,009.63/1,180.07
  6. Step 6: Final answer
    x = 1,420.26

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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.