Home / 1,536.73-2,120.01-1,039.19

Finding the Fourth Proportional to 1,536.73, 2,120.01 and 1,039.19

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Solution

The fourth proportional to 1,536.73, 2,120.01 and 1,039.19 is: 1,433.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,536.73 : 2,120.01 = 1,039.19 : x
  2. Step 2: Convert to fraction form
    1,536.73/2,120.01 = 1,039.19/x
  3. Step 3: Cross multiply
    1,536.73x = 2,120.01 × 1,039.19
  4. Step 4: Simplify right side
    1,536.73x = 2,203,093.19
  5. Step 5: Solve for x
    x = 2,203,093.19/1,536.73
  6. Step 6: Final answer
    x = 1,433.62

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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.