Home / 1,866.09-2,576.21-1,308.27

Finding the Fourth Proportional to 1,866.09, 2,576.21 and 1,308.27

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Solution

The fourth proportional to 1,866.09, 2,576.21 and 1,308.27 is: 1,806.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,866.09 : 2,576.21 = 1,308.27 : x
  2. Step 2: Convert to fraction form
    1,866.09/2,576.21 = 1,308.27/x
  3. Step 3: Cross multiply
    1,866.09x = 2,576.21 × 1,308.27
  4. Step 4: Simplify right side
    1,866.09x = 3,370,378.26
  5. Step 5: Solve for x
    x = 3,370,378.26/1,866.09
  6. Step 6: Final answer
    x = 1,806.12

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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.