Home / 3,819.42-5,269.32-2,827.08

Finding the Fourth Proportional to 3,819.42, 5,269.32 and 2,827.08

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Solution

The fourth proportional to 3,819.42, 5,269.32 and 2,827.08 is: 3,900.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819.42 : 5,269.32 = 2,827.08 : x
  2. Step 2: Convert to fraction form
    3,819.42/5,269.32 = 2,827.08/x
  3. Step 3: Cross multiply
    3,819.42x = 5,269.32 × 2,827.08
  4. Step 4: Simplify right side
    3,819.42x = 14,896,789.19
  5. Step 5: Solve for x
    x = 14,896,789.19/3,819.42
  6. Step 6: Final answer
    x = 3,900.28

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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.