Home / 1,998.48-2,758.26-1,159.06

Finding the Fourth Proportional to 1,998.48, 2,758.26 and 1,159.06

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Solution

The fourth proportional to 1,998.48, 2,758.26 and 1,159.06 is: 1,599.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998.48 : 2,758.26 = 1,159.06 : x
  2. Step 2: Convert to fraction form
    1,998.48/2,758.26 = 1,159.06/x
  3. Step 3: Cross multiply
    1,998.48x = 2,758.26 × 1,159.06
  4. Step 4: Simplify right side
    1,998.48x = 3,196,988.84
  5. Step 5: Solve for x
    x = 3,196,988.84/1,998.48
  6. Step 6: Final answer
    x = 1,599.71

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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.