Home / 3,666.78-5,059.26-2,175.08

Finding the Fourth Proportional to 3,666.78, 5,059.26 and 2,175.08

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Solution

The fourth proportional to 3,666.78, 5,059.26 and 2,175.08 is: 3,001.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,666.78 : 5,059.26 = 2,175.08 : x
  2. Step 2: Convert to fraction form
    3,666.78/5,059.26 = 2,175.08/x
  3. Step 3: Cross multiply
    3,666.78x = 5,059.26 × 2,175.08
  4. Step 4: Simplify right side
    3,666.78x = 11,004,269.94
  5. Step 5: Solve for x
    x = 11,004,269.94/3,666.78
  6. Step 6: Final answer
    x = 3,001.07

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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.