Home / 3,579.06-4,939.14-2,087.88

Finding the Fourth Proportional to 3,579.06, 4,939.14 and 2,087.88

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Solution

The fourth proportional to 3,579.06, 4,939.14 and 2,087.88 is: 2,881.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579.06 : 4,939.14 = 2,087.88 : x
  2. Step 2: Convert to fraction form
    3,579.06/4,939.14 = 2,087.88/x
  3. Step 3: Cross multiply
    3,579.06x = 4,939.14 × 2,087.88
  4. Step 4: Simplify right side
    3,579.06x = 10,312,331.62
  5. Step 5: Solve for x
    x = 10,312,331.62/3,579.06
  6. Step 6: Final answer
    x = 2,881.30

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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.