Home / 3,309.36-4,565.52-1,982.64

Finding the Fourth Proportional to 3,309.36, 4,565.52 and 1,982.64

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Solution

The fourth proportional to 3,309.36, 4,565.52 and 1,982.64 is: 2,735.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309.36 : 4,565.52 = 1,982.64 : x
  2. Step 2: Convert to fraction form
    3,309.36/4,565.52 = 1,982.64/x
  3. Step 3: Cross multiply
    3,309.36x = 4,565.52 × 1,982.64
  4. Step 4: Simplify right side
    3,309.36x = 9,051,782.57
  5. Step 5: Solve for x
    x = 9,051,782.57/3,309.36
  6. Step 6: Final answer
    x = 2,735.21

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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.