Home / 1,874.23-2,811.92-704.33

Finding the Fourth Proportional to 1,874.23, 2,811.92 and 704.33

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Solution

The fourth proportional to 1,874.23, 2,811.92 and 704.33 is: 1,056.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,874.23 : 2,811.92 = 704.33 : x
  2. Step 2: Convert to fraction form
    1,874.23/2,811.92 = 704.33/x
  3. Step 3: Cross multiply
    1,874.23x = 2,811.92 × 704.33
  4. Step 4: Simplify right side
    1,874.23x = 1,980,528.40
  5. Step 5: Solve for x
    x = 1,980,528.40/1,874.23
  6. Step 6: Final answer
    x = 1,056.72

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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.