Home / 2,544.81-3,817.22-1,389.93

Finding the Fourth Proportional to 2,544.81, 3,817.22 and 1,389.93

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Solution

The fourth proportional to 2,544.81, 3,817.22 and 1,389.93 is: 2,084.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,544.81 : 3,817.22 = 1,389.93 : x
  2. Step 2: Convert to fraction form
    2,544.81/3,817.22 = 1,389.93/x
  3. Step 3: Cross multiply
    2,544.81x = 3,817.22 × 1,389.93
  4. Step 4: Simplify right side
    2,544.81x = 5,305,661.64
  5. Step 5: Solve for x
    x = 5,305,661.64/2,544.81
  6. Step 6: Final answer
    x = 2,084.90

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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.