Home / 3,945.33-5,444.49-2,176.89

Finding the Fourth Proportional to 3,945.33, 5,444.49 and 2,176.89

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Solution

The fourth proportional to 3,945.33, 5,444.49 and 2,176.89 is: 3,004.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,945.33 : 5,444.49 = 2,176.89 : x
  2. Step 2: Convert to fraction form
    3,945.33/5,444.49 = 2,176.89/x
  3. Step 3: Cross multiply
    3,945.33x = 5,444.49 × 2,176.89
  4. Step 4: Simplify right side
    3,945.33x = 11,852,055.84
  5. Step 5: Solve for x
    x = 11,852,055.84/3,945.33
  6. Step 6: Final answer
    x = 3,004.07

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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.