Home / 2,400.73-3,311.74-1,653.39

Finding the Fourth Proportional to 2,400.73, 3,311.74 and 1,653.39

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Solution

The fourth proportional to 2,400.73, 3,311.74 and 1,653.39 is: 2,280.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,400.73 : 3,311.74 = 1,653.39 : x
  2. Step 2: Convert to fraction form
    2,400.73/3,311.74 = 1,653.39/x
  3. Step 3: Cross multiply
    2,400.73x = 3,311.74 × 1,653.39
  4. Step 4: Simplify right side
    2,400.73x = 5,475,597.80
  5. Step 5: Solve for x
    x = 5,475,597.80/2,400.73
  6. Step 6: Final answer
    x = 2,280.81

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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.