Home / 1,812.44-2,504.52-1,369.58

Finding the Fourth Proportional to 1,812.44, 2,504.52 and 1,369.58

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Solution

The fourth proportional to 1,812.44, 2,504.52 and 1,369.58 is: 1,892.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812.44 : 2,504.52 = 1,369.58 : x
  2. Step 2: Convert to fraction form
    1,812.44/2,504.52 = 1,369.58/x
  3. Step 3: Cross multiply
    1,812.44x = 2,504.52 × 1,369.58
  4. Step 4: Simplify right side
    1,812.44x = 3,430,140.50
  5. Step 5: Solve for x
    x = 3,430,140.50/1,812.44
  6. Step 6: Final answer
    x = 1,892.55

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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.