Home / 3,921.80-5,880.27-1,842.26

Finding the Fourth Proportional to 3,921.80, 5,880.27 and 1,842.26

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Solution

The fourth proportional to 3,921.80, 5,880.27 and 1,842.26 is: 2,762.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,921.80 : 5,880.27 = 1,842.26 : x
  2. Step 2: Convert to fraction form
    3,921.80/5,880.27 = 1,842.26/x
  3. Step 3: Cross multiply
    3,921.80x = 5,880.27 × 1,842.26
  4. Step 4: Simplify right side
    3,921.80x = 10,832,986.21
  5. Step 5: Solve for x
    x = 10,832,986.21/3,921.80
  6. Step 6: Final answer
    x = 2,762.25

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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.