Home / 2,176.79-3,266.26-1,604.39

Finding the Fourth Proportional to 2,176.79, 3,266.26 and 1,604.39

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Solution

The fourth proportional to 2,176.79, 3,266.26 and 1,604.39 is: 2,407.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176.79 : 3,266.26 = 1,604.39 : x
  2. Step 2: Convert to fraction form
    2,176.79/3,266.26 = 1,604.39/x
  3. Step 3: Cross multiply
    2,176.79x = 3,266.26 × 1,604.39
  4. Step 4: Simplify right side
    2,176.79x = 5,240,334.54
  5. Step 5: Solve for x
    x = 5,240,334.54/2,176.79
  6. Step 6: Final answer
    x = 2,407.37

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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.