Home / 2,303.25-3,454.75-743.23

Finding the Fourth Proportional to 2,303.25, 3,454.75 and 743.23

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Solution

The fourth proportional to 2,303.25, 3,454.75 and 743.23 is: 1,114.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,303.25 : 3,454.75 = 743.23 : x
  2. Step 2: Convert to fraction form
    2,303.25/3,454.75 = 743.23/x
  3. Step 3: Cross multiply
    2,303.25x = 3,454.75 × 743.23
  4. Step 4: Simplify right side
    2,303.25x = 2,567,673.84
  5. Step 5: Solve for x
    x = 2,567,673.84/2,303.25
  6. Step 6: Final answer
    x = 1,114.80

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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.