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Finding the Fourth Proportional to 3,331.63, 4,598.05 and 1,934.38

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Solution

The fourth proportional to 3,331.63, 4,598.05 and 1,934.38 is: 2,669.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,331.63 : 4,598.05 = 1,934.38 : x
  2. Step 2: Convert to fraction form
    3,331.63/4,598.05 = 1,934.38/x
  3. Step 3: Cross multiply
    3,331.63x = 4,598.05 × 1,934.38
  4. Step 4: Simplify right side
    3,331.63x = 8,894,352.97
  5. Step 5: Solve for x
    x = 8,894,352.97/3,331.63
  6. Step 6: Final answer
    x = 2,669.67

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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.