Home / 1,804.20-2,704.95-1,153.68

Finding the Fourth Proportional to 1,804.20, 2,704.95 and 1,153.68

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Solution

The fourth proportional to 1,804.20, 2,704.95 and 1,153.68 is: 1,729.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,804.20 : 2,704.95 = 1,153.68 : x
  2. Step 2: Convert to fraction form
    1,804.20/2,704.95 = 1,153.68/x
  3. Step 3: Cross multiply
    1,804.20x = 2,704.95 × 1,153.68
  4. Step 4: Simplify right side
    1,804.20x = 3,120,646.72
  5. Step 5: Solve for x
    x = 3,120,646.72/1,804.20
  6. Step 6: Final answer
    x = 1,729.66

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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.