Home / 2,939.72-4,408.16-1,554.62

Finding the Fourth Proportional to 2,939.72, 4,408.16 and 1,554.62

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Solution

The fourth proportional to 2,939.72, 4,408.16 and 1,554.62 is: 2,331.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,939.72 : 4,408.16 = 1,554.62 : x
  2. Step 2: Convert to fraction form
    2,939.72/4,408.16 = 1,554.62/x
  3. Step 3: Cross multiply
    2,939.72x = 4,408.16 × 1,554.62
  4. Step 4: Simplify right side
    2,939.72x = 6,852,983.89
  5. Step 5: Solve for x
    x = 6,852,983.89/2,939.72
  6. Step 6: Final answer
    x = 2,331.17

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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.