Home / 2,043.02-2,817.66-1,379.60

Finding the Fourth Proportional to 2,043.02, 2,817.66 and 1,379.60

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Solution

The fourth proportional to 2,043.02, 2,817.66 and 1,379.60 is: 1,902.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,043.02 : 2,817.66 = 1,379.60 : x
  2. Step 2: Convert to fraction form
    2,043.02/2,817.66 = 1,379.60/x
  3. Step 3: Cross multiply
    2,043.02x = 2,817.66 × 1,379.60
  4. Step 4: Simplify right side
    2,043.02x = 3,887,243.74
  5. Step 5: Solve for x
    x = 3,887,243.74/2,043.02
  6. Step 6: Final answer
    x = 1,902.69

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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.