Home / 2,939.50-4,393.33-2,705.99

Finding the Fourth Proportional to 2,939.50, 4,393.33 and 2,705.99

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Solution

The fourth proportional to 2,939.50, 4,393.33 and 2,705.99 is: 4,044.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,939.50 : 4,393.33 = 2,705.99 : x
  2. Step 2: Convert to fraction form
    2,939.50/4,393.33 = 2,705.99/x
  3. Step 3: Cross multiply
    2,939.50x = 4,393.33 × 2,705.99
  4. Step 4: Simplify right side
    2,939.50x = 11,888,307.05
  5. Step 5: Solve for x
    x = 11,888,307.05/2,939.50
  6. Step 6: Final answer
    x = 4,044.34

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.