Home / 2,083.70-3,125.55-1,646.30

Finding the Fourth Proportional to 2,083.70, 3,125.55 and 1,646.30

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Solution

The fourth proportional to 2,083.70, 3,125.55 and 1,646.30 is: 2,469.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,083.70 : 3,125.55 = 1,646.30 : x
  2. Step 2: Convert to fraction form
    2,083.70/3,125.55 = 1,646.30/x
  3. Step 3: Cross multiply
    2,083.70x = 3,125.55 × 1,646.30
  4. Step 4: Simplify right side
    2,083.70x = 5,145,592.97
  5. Step 5: Solve for x
    x = 5,145,592.97/2,083.70
  6. Step 6: Final answer
    x = 2,469.45

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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.