Home / 3,445.44-5,166.79-2,666.32

Finding the Fourth Proportional to 3,445.44, 5,166.79 and 2,666.32

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Solution

The fourth proportional to 3,445.44, 5,166.79 and 2,666.32 is: 3,998.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445.44 : 5,166.79 = 2,666.32 : x
  2. Step 2: Convert to fraction form
    3,445.44/5,166.79 = 2,666.32/x
  3. Step 3: Cross multiply
    3,445.44x = 5,166.79 × 2,666.32
  4. Step 4: Simplify right side
    3,445.44x = 13,776,295.93
  5. Step 5: Solve for x
    x = 13,776,295.93/3,445.44
  6. Step 6: Final answer
    x = 3,998.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.