Home / 3,665.36-5,057.16-2,876.96

Finding the Fourth Proportional to 3,665.36, 5,057.16 and 2,876.96

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Solution

The fourth proportional to 3,665.36, 5,057.16 and 2,876.96 is: 3,969.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,665.36 : 5,057.16 = 2,876.96 : x
  2. Step 2: Convert to fraction form
    3,665.36/5,057.16 = 2,876.96/x
  3. Step 3: Cross multiply
    3,665.36x = 5,057.16 × 2,876.96
  4. Step 4: Simplify right side
    3,665.36x = 14,549,247.03
  5. Step 5: Solve for x
    x = 14,549,247.03/3,665.36
  6. Step 6: Final answer
    x = 3,969.39

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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.