Home / 1,809.11-2,708.48-1,694.28

Finding the Fourth Proportional to 1,809.11, 2,708.48 and 1,694.28

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Solution

The fourth proportional to 1,809.11, 2,708.48 and 1,694.28 is: 2,536.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,809.11 : 2,708.48 = 1,694.28 : x
  2. Step 2: Convert to fraction form
    1,809.11/2,708.48 = 1,694.28/x
  3. Step 3: Cross multiply
    1,809.11x = 2,708.48 × 1,694.28
  4. Step 4: Simplify right side
    1,809.11x = 4,588,915.02
  5. Step 5: Solve for x
    x = 4,588,915.02/1,809.11
  6. Step 6: Final answer
    x = 2,536.57

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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.