Home / 2,747.48-4,119.26-1,285.84

Finding the Fourth Proportional to 2,747.48, 4,119.26 and 1,285.84

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Solution

The fourth proportional to 2,747.48, 4,119.26 and 1,285.84 is: 1,927.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,747.48 : 4,119.26 = 1,285.84 : x
  2. Step 2: Convert to fraction form
    2,747.48/4,119.26 = 1,285.84/x
  3. Step 3: Cross multiply
    2,747.48x = 4,119.26 × 1,285.84
  4. Step 4: Simplify right side
    2,747.48x = 5,296,702.19
  5. Step 5: Solve for x
    x = 5,296,702.19/2,747.48
  6. Step 6: Final answer
    x = 1,927.84

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1.5x scale

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.