Home / 3,354.05-4,628.39-1,861.97

Finding the Fourth Proportional to 3,354.05, 4,628.39 and 1,861.97

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Solution

The fourth proportional to 3,354.05, 4,628.39 and 1,861.97 is: 2,569.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,354.05 : 4,628.39 = 1,861.97 : x
  2. Step 2: Convert to fraction form
    3,354.05/4,628.39 = 1,861.97/x
  3. Step 3: Cross multiply
    3,354.05x = 4,628.39 × 1,861.97
  4. Step 4: Simplify right side
    3,354.05x = 8,617,890.88
  5. Step 5: Solve for x
    x = 8,617,890.88/3,354.05
  6. Step 6: Final answer
    x = 2,569.40

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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.