Home / 2,743.10-4,118.66-1,808.83

Finding the Fourth Proportional to 2,743.10, 4,118.66 and 1,808.83

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Solution

The fourth proportional to 2,743.10, 4,118.66 and 1,808.83 is: 2,715.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,743.10 : 4,118.66 = 1,808.83 : x
  2. Step 2: Convert to fraction form
    2,743.10/4,118.66 = 1,808.83/x
  3. Step 3: Cross multiply
    2,743.10x = 4,118.66 × 1,808.83
  4. Step 4: Simplify right side
    2,743.10x = 7,449,955.77
  5. Step 5: Solve for x
    x = 7,449,955.77/2,743.10
  6. Step 6: Final answer
    x = 2,715.89

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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.