Home / 1,804.02-2,699.28-1,285.22

Finding the Fourth Proportional to 1,804.02, 2,699.28 and 1,285.22

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Solution

The fourth proportional to 1,804.02, 2,699.28 and 1,285.22 is: 1,923.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,804.02 : 2,699.28 = 1,285.22 : x
  2. Step 2: Convert to fraction form
    1,804.02/2,699.28 = 1,285.22/x
  3. Step 3: Cross multiply
    1,804.02x = 2,699.28 × 1,285.22
  4. Step 4: Simplify right side
    1,804.02x = 3,469,168.64
  5. Step 5: Solve for x
    x = 3,469,168.64/1,804.02
  6. Step 6: Final answer
    x = 1,923.02

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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.