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Finding the Fourth Proportional to 3,873.55, 5,810.29 and 1,683.85

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Solution

The fourth proportional to 3,873.55, 5,810.29 and 1,683.85 is: 2,525.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,873.55 : 5,810.29 = 1,683.85 : x
  2. Step 2: Convert to fraction form
    3,873.55/5,810.29 = 1,683.85/x
  3. Step 3: Cross multiply
    3,873.55x = 5,810.29 × 1,683.85
  4. Step 4: Simplify right side
    3,873.55x = 9,783,648.40
  5. Step 5: Solve for x
    x = 9,783,648.40/3,873.55
  6. Step 6: Final answer
    x = 2,525.76

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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.