Home / 3,306.79-4,564.13-2,125.81

Finding the Fourth Proportional to 3,306.79, 4,564.13 and 2,125.81

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Solution

The fourth proportional to 3,306.79, 4,564.13 and 2,125.81 is: 2,934.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,306.79 : 4,564.13 = 2,125.81 : x
  2. Step 2: Convert to fraction form
    3,306.79/4,564.13 = 2,125.81/x
  3. Step 3: Cross multiply
    3,306.79x = 4,564.13 × 2,125.81
  4. Step 4: Simplify right side
    3,306.79x = 9,702,467.10
  5. Step 5: Solve for x
    x = 9,702,467.10/3,306.79
  6. Step 6: Final answer
    x = 2,934.11

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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.