Home / 2,733.72-3,771.90-1,554.70

Finding the Fourth Proportional to 2,733.72, 3,771.90 and 1,554.70

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Solution

The fourth proportional to 2,733.72, 3,771.90 and 1,554.70 is: 2,145.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,733.72 : 3,771.90 = 1,554.70 : x
  2. Step 2: Convert to fraction form
    2,733.72/3,771.90 = 1,554.70/x
  3. Step 3: Cross multiply
    2,733.72x = 3,771.90 × 1,554.70
  4. Step 4: Simplify right side
    2,733.72x = 5,864,172.93
  5. Step 5: Solve for x
    x = 5,864,172.93/2,733.72
  6. Step 6: Final answer
    x = 2,145.13

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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.