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Finding the Fourth Proportional to 1,508, 2,080.44 and 948.24

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Solution

The fourth proportional to 1,508, 2,080.44 and 948.24 is: 1,308.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508 : 2,080.44 = 948.24 : x
  2. Step 2: Convert to fraction form
    1,508/2,080.44 = 948.24/x
  3. Step 3: Cross multiply
    1,508x = 2,080.44 × 948.24
  4. Step 4: Simplify right side
    1,508x = 1,972,756.43
  5. Step 5: Solve for x
    x = 1,972,756.43/1,508
  6. Step 6: Final answer
    x = 1,308.19

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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.