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Finding the Fourth Proportional to 3,083.55, 4,254.97 and 1,824.67

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Solution

The fourth proportional to 3,083.55, 4,254.97 and 1,824.67 is: 2,517.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,083.55 : 4,254.97 = 1,824.67 : x
  2. Step 2: Convert to fraction form
    3,083.55/4,254.97 = 1,824.67/x
  3. Step 3: Cross multiply
    3,083.55x = 4,254.97 × 1,824.67
  4. Step 4: Simplify right side
    3,083.55x = 7,763,916.11
  5. Step 5: Solve for x
    x = 7,763,916.11/3,083.55
  6. Step 6: Final answer
    x = 2,517.85

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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.