Home / 3,210.26-4,430.20-1,968.26

Finding the Fourth Proportional to 3,210.26, 4,430.20 and 1,968.26

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Solution

The fourth proportional to 3,210.26, 4,430.20 and 1,968.26 is: 2,716.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210.26 : 4,430.20 = 1,968.26 : x
  2. Step 2: Convert to fraction form
    3,210.26/4,430.20 = 1,968.26/x
  3. Step 3: Cross multiply
    3,210.26x = 4,430.20 × 1,968.26
  4. Step 4: Simplify right side
    3,210.26x = 8,719,785.45
  5. Step 5: Solve for x
    x = 8,719,785.45/3,210.26
  6. Step 6: Final answer
    x = 2,716.22

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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.