Home / 3,777.06-5,212.70-2,285.35

Finding the Fourth Proportional to 3,777.06, 5,212.70 and 2,285.35

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Solution

The fourth proportional to 3,777.06, 5,212.70 and 2,285.35 is: 3,153.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,777.06 : 5,212.70 = 2,285.35 : x
  2. Step 2: Convert to fraction form
    3,777.06/5,212.70 = 2,285.35/x
  3. Step 3: Cross multiply
    3,777.06x = 5,212.70 × 2,285.35
  4. Step 4: Simplify right side
    3,777.06x = 11,912,806.45
  5. Step 5: Solve for x
    x = 11,912,806.45/3,777.06
  6. Step 6: Final answer
    x = 3,153.99

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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.