Home / 2,858.62-3,945.08-1,599.77

Finding the Fourth Proportional to 2,858.62, 3,945.08 and 1,599.77

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Solution

The fourth proportional to 2,858.62, 3,945.08 and 1,599.77 is: 2,207.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,858.62 : 3,945.08 = 1,599.77 : x
  2. Step 2: Convert to fraction form
    2,858.62/3,945.08 = 1,599.77/x
  3. Step 3: Cross multiply
    2,858.62x = 3,945.08 × 1,599.77
  4. Step 4: Simplify right side
    2,858.62x = 6,311,220.63
  5. Step 5: Solve for x
    x = 6,311,220.63/2,858.62
  6. Step 6: Final answer
    x = 2,207.79

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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.