Home / 3,213.93-4,435.19-2,258.18

Finding the Fourth Proportional to 3,213.93, 4,435.19 and 2,258.18

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Solution

The fourth proportional to 3,213.93, 4,435.19 and 2,258.18 is: 3,116.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213.93 : 4,435.19 = 2,258.18 : x
  2. Step 2: Convert to fraction form
    3,213.93/4,435.19 = 2,258.18/x
  3. Step 3: Cross multiply
    3,213.93x = 4,435.19 × 2,258.18
  4. Step 4: Simplify right side
    3,213.93x = 10,015,423.89
  5. Step 5: Solve for x
    x = 10,015,423.89/3,213.93
  6. Step 6: Final answer
    x = 3,116.25

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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.