Home / 3,790.26-5,230.34-2,218.26

Finding the Fourth Proportional to 3,790.26, 5,230.34 and 2,218.26

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Solution

The fourth proportional to 3,790.26, 5,230.34 and 2,218.26 is: 3,061.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,790.26 : 5,230.34 = 2,218.26 : x
  2. Step 2: Convert to fraction form
    3,790.26/5,230.34 = 2,218.26/x
  3. Step 3: Cross multiply
    3,790.26x = 5,230.34 × 2,218.26
  4. Step 4: Simplify right side
    3,790.26x = 11,602,254.01
  5. Step 5: Solve for x
    x = 11,602,254.01/3,790.26
  6. Step 6: Final answer
    x = 3,061.07

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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.