Home / 2,039.16-2,814.04-1,107.66

Finding the Fourth Proportional to 2,039.16, 2,814.04 and 1,107.66

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Solution

The fourth proportional to 2,039.16, 2,814.04 and 1,107.66 is: 1,528.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,039.16 : 2,814.04 = 1,107.66 : x
  2. Step 2: Convert to fraction form
    2,039.16/2,814.04 = 1,107.66/x
  3. Step 3: Cross multiply
    2,039.16x = 2,814.04 × 1,107.66
  4. Step 4: Simplify right side
    2,039.16x = 3,116,999.55
  5. Step 5: Solve for x
    x = 3,116,999.55/2,039.16
  6. Step 6: Final answer
    x = 1,528.57

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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.