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Finding the Fourth Proportional to 3,835, 5,751.42 and 1,885.06

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Solution

The fourth proportional to 3,835, 5,751.42 and 1,885.06 is: 2,827.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,835 : 5,751.42 = 1,885.06 : x
  2. Step 2: Convert to fraction form
    3,835/5,751.42 = 1,885.06/x
  3. Step 3: Cross multiply
    3,835x = 5,751.42 × 1,885.06
  4. Step 4: Simplify right side
    3,835x = 10,841,771.79
  5. Step 5: Solve for x
    x = 10,841,771.79/3,835
  6. Step 6: Final answer
    x = 2,827.06

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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.