Home / 3,019.22-4,159.81-2,259.60

Finding the Fourth Proportional to 3,019.22, 4,159.81 and 2,259.60

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Solution

The fourth proportional to 3,019.22, 4,159.81 and 2,259.60 is: 3,113.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,019.22 : 4,159.81 = 2,259.60 : x
  2. Step 2: Convert to fraction form
    3,019.22/4,159.81 = 2,259.60/x
  3. Step 3: Cross multiply
    3,019.22x = 4,159.81 × 2,259.60
  4. Step 4: Simplify right side
    3,019.22x = 9,399,481.19
  5. Step 5: Solve for x
    x = 9,399,481.19/3,019.22
  6. Step 6: Final answer
    x = 3,113.21

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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.