Home / 2,103.24-2,902.32-1,317

Finding the Fourth Proportional to 2,103.24, 2,902.32 and 1,317

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Solution

The fourth proportional to 2,103.24, 2,902.32 and 1,317 is: 1,817.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,103.24 : 2,902.32 = 1,317 : x
  2. Step 2: Convert to fraction form
    2,103.24/2,902.32 = 1,317/x
  3. Step 3: Cross multiply
    2,103.24x = 2,902.32 × 1,317
  4. Step 4: Simplify right side
    2,103.24x = 3,822,355.44
  5. Step 5: Solve for x
    x = 3,822,355.44/2,103.24
  6. Step 6: Final answer
    x = 1,817.37

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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.