Home / 2,084.07-3,126.10-697.09

Finding the Fourth Proportional to 2,084.07, 3,126.10 and 697.09

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Solution

The fourth proportional to 2,084.07, 3,126.10 and 697.09 is: 1,045.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,084.07 : 3,126.10 = 697.09 : x
  2. Step 2: Convert to fraction form
    2,084.07/3,126.10 = 697.09/x
  3. Step 3: Cross multiply
    2,084.07x = 3,126.10 × 697.09
  4. Step 4: Simplify right side
    2,084.07x = 2,179,173.05
  5. Step 5: Solve for x
    x = 2,179,173.05/2,084.07
  6. Step 6: Final answer
    x = 1,045.63

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1.5x scale

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.