Home / 2,339.51-3,228.41-1,291.37

Finding the Fourth Proportional to 2,339.51, 3,228.41 and 1,291.37

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Solution

The fourth proportional to 2,339.51, 3,228.41 and 1,291.37 is: 1,782.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,339.51 : 3,228.41 = 1,291.37 : x
  2. Step 2: Convert to fraction form
    2,339.51/3,228.41 = 1,291.37/x
  3. Step 3: Cross multiply
    2,339.51x = 3,228.41 × 1,291.37
  4. Step 4: Simplify right side
    2,339.51x = 4,169,065.36
  5. Step 5: Solve for x
    x = 4,169,065.36/2,339.51
  6. Step 6: Final answer
    x = 1,782.03

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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.