Home / 1,812.74-2,499.66-1,369.94

Finding the Fourth Proportional to 1,812.74, 2,499.66 and 1,369.94

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Solution

The fourth proportional to 1,812.74, 2,499.66 and 1,369.94 is: 1,889.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812.74 : 2,499.66 = 1,369.94 : x
  2. Step 2: Convert to fraction form
    1,812.74/2,499.66 = 1,369.94/x
  3. Step 3: Cross multiply
    1,812.74x = 2,499.66 × 1,369.94
  4. Step 4: Simplify right side
    1,812.74x = 3,424,371.72
  5. Step 5: Solve for x
    x = 3,424,371.72/1,812.74
  6. Step 6: Final answer
    x = 1,889.06

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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.