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Finding the Fourth Proportional to 3,362.61, 4,638.11 and 3,083.77

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Solution

The fourth proportional to 3,362.61, 4,638.11 and 3,083.77 is: 4,253.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,362.61 : 4,638.11 = 3,083.77 : x
  2. Step 2: Convert to fraction form
    3,362.61/4,638.11 = 3,083.77/x
  3. Step 3: Cross multiply
    3,362.61x = 4,638.11 × 3,083.77
  4. Step 4: Simplify right side
    3,362.61x = 14,302,872.20
  5. Step 5: Solve for x
    x = 14,302,872.20/3,362.61
  6. Step 6: Final answer
    x = 4,253.50

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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.