Home / 1,868.27-2,576.84-1,204.79

Finding the Fourth Proportional to 1,868.27, 2,576.84 and 1,204.79

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Solution

The fourth proportional to 1,868.27, 2,576.84 and 1,204.79 is: 1,661.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868.27 : 2,576.84 = 1,204.79 : x
  2. Step 2: Convert to fraction form
    1,868.27/2,576.84 = 1,204.79/x
  3. Step 3: Cross multiply
    1,868.27x = 2,576.84 × 1,204.79
  4. Step 4: Simplify right side
    1,868.27x = 3,104,532.16
  5. Step 5: Solve for x
    x = 3,104,532.16/1,868.27
  6. Step 6: Final answer
    x = 1,661.72

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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.