Home / 3,204.36-4,421.92-1,788.08

Finding the Fourth Proportional to 3,204.36, 4,421.92 and 1,788.08

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Solution

The fourth proportional to 3,204.36, 4,421.92 and 1,788.08 is: 2,467.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,204.36 : 4,421.92 = 1,788.08 : x
  2. Step 2: Convert to fraction form
    3,204.36/4,421.92 = 1,788.08/x
  3. Step 3: Cross multiply
    3,204.36x = 4,421.92 × 1,788.08
  4. Step 4: Simplify right side
    3,204.36x = 7,906,746.71
  5. Step 5: Solve for x
    x = 7,906,746.71/3,204.36
  6. Step 6: Final answer
    x = 2,467.50

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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.