Home / 3,389.36-4,679.16-2,606

Finding the Fourth Proportional to 3,389.36, 4,679.16 and 2,606

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Solution

The fourth proportional to 3,389.36, 4,679.16 and 2,606 is: 3,597.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,389.36 : 4,679.16 = 2,606 : x
  2. Step 2: Convert to fraction form
    3,389.36/4,679.16 = 2,606/x
  3. Step 3: Cross multiply
    3,389.36x = 4,679.16 × 2,606
  4. Step 4: Simplify right side
    3,389.36x = 12,193,890.96
  5. Step 5: Solve for x
    x = 12,193,890.96/3,389.36
  6. Step 6: Final answer
    x = 3,597.70

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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.