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Finding the Fourth Proportional to 3,803.34, 5,705.07 and 1,305.09

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Solution

The fourth proportional to 3,803.34, 5,705.07 and 1,305.09 is: 1,957.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,803.34 : 5,705.07 = 1,305.09 : x
  2. Step 2: Convert to fraction form
    3,803.34/5,705.07 = 1,305.09/x
  3. Step 3: Cross multiply
    3,803.34x = 5,705.07 × 1,305.09
  4. Step 4: Simplify right side
    3,803.34x = 7,445,629.81
  5. Step 5: Solve for x
    x = 7,445,629.81/3,803.34
  6. Step 6: Final answer
    x = 1,957.66

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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.