Home / 2,084.20-3,125.44-697.24

Finding the Fourth Proportional to 2,084.20, 3,125.44 and 697.24

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Solution

The fourth proportional to 2,084.20, 3,125.44 and 697.24 is: 1,045.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,084.20 : 3,125.44 = 697.24 : x
  2. Step 2: Convert to fraction form
    2,084.20/3,125.44 = 697.24/x
  3. Step 3: Cross multiply
    2,084.20x = 3,125.44 × 697.24
  4. Step 4: Simplify right side
    2,084.20x = 2,179,181.79
  5. Step 5: Solve for x
    x = 2,179,181.79/2,084.20
  6. Step 6: Final answer
    x = 1,045.57

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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.