Home / 3,045.89-4,201.71-2,100.03

Finding the Fourth Proportional to 3,045.89, 4,201.71 and 2,100.03

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Solution

The fourth proportional to 3,045.89, 4,201.71 and 2,100.03 is: 2,896.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,045.89 : 4,201.71 = 2,100.03 : x
  2. Step 2: Convert to fraction form
    3,045.89/4,201.71 = 2,100.03/x
  3. Step 3: Cross multiply
    3,045.89x = 4,201.71 × 2,100.03
  4. Step 4: Simplify right side
    3,045.89x = 8,823,717.05
  5. Step 5: Solve for x
    x = 8,823,717.05/3,045.89
  6. Step 6: Final answer
    x = 2,896.93

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1.5x scale

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.