Home / 3,782.22-5,669.81-2,391.51

Finding the Fourth Proportional to 3,782.22, 5,669.81 and 2,391.51

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Solution

The fourth proportional to 3,782.22, 5,669.81 and 2,391.51 is: 3,585.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,782.22 : 5,669.81 = 2,391.51 : x
  2. Step 2: Convert to fraction form
    3,782.22/5,669.81 = 2,391.51/x
  3. Step 3: Cross multiply
    3,782.22x = 5,669.81 × 2,391.51
  4. Step 4: Simplify right side
    3,782.22x = 13,559,407.31
  5. Step 5: Solve for x
    x = 13,559,407.31/3,782.22
  6. Step 6: Final answer
    x = 3,585.04

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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.