Home / 3,394.10-5,084.57-1,985.11

Finding the Fourth Proportional to 3,394.10, 5,084.57 and 1,985.11

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Solution

The fourth proportional to 3,394.10, 5,084.57 and 1,985.11 is: 2,973.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,394.10 : 5,084.57 = 1,985.11 : x
  2. Step 2: Convert to fraction form
    3,394.10/5,084.57 = 1,985.11/x
  3. Step 3: Cross multiply
    3,394.10x = 5,084.57 × 1,985.11
  4. Step 4: Simplify right side
    3,394.10x = 10,093,423.00
  5. Step 5: Solve for x
    x = 10,093,423.00/3,394.10
  6. Step 6: Final answer
    x = 2,973.81

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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.