Home / 1,983.05-2,971.32-1,203.29

Finding the Fourth Proportional to 1,983.05, 2,971.32 and 1,203.29

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Solution

The fourth proportional to 1,983.05, 2,971.32 and 1,203.29 is: 1,802.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,983.05 : 2,971.32 = 1,203.29 : x
  2. Step 2: Convert to fraction form
    1,983.05/2,971.32 = 1,203.29/x
  3. Step 3: Cross multiply
    1,983.05x = 2,971.32 × 1,203.29
  4. Step 4: Simplify right side
    1,983.05x = 3,575,355.60
  5. Step 5: Solve for x
    x = 3,575,355.60/1,983.05
  6. Step 6: Final answer
    x = 1,802.96

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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.