Home / 3,791.10-5,685.27-1,325.22

Finding the Fourth Proportional to 3,791.10, 5,685.27 and 1,325.22

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Solution

The fourth proportional to 3,791.10, 5,685.27 and 1,325.22 is: 1,987.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,791.10 : 5,685.27 = 1,325.22 : x
  2. Step 2: Convert to fraction form
    3,791.10/5,685.27 = 1,325.22/x
  3. Step 3: Cross multiply
    3,791.10x = 5,685.27 × 1,325.22
  4. Step 4: Simplify right side
    3,791.10x = 7,534,233.51
  5. Step 5: Solve for x
    x = 7,534,233.51/3,791.10
  6. Step 6: Final answer
    x = 1,987.35

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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.