Home / 2,141.03-3,210.77-908.52

Finding the Fourth Proportional to 2,141.03, 3,210.77 and 908.52

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Solution

The fourth proportional to 2,141.03, 3,210.77 and 908.52 is: 1,362.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,141.03 : 3,210.77 = 908.52 : x
  2. Step 2: Convert to fraction form
    2,141.03/3,210.77 = 908.52/x
  3. Step 3: Cross multiply
    2,141.03x = 3,210.77 × 908.52
  4. Step 4: Simplify right side
    2,141.03x = 2,917,038.99
  5. Step 5: Solve for x
    x = 2,917,038.99/2,141.03
  6. Step 6: Final answer
    x = 1,362.44

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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.