Home / 3,222.74-4,445.88-1,895.60

Finding the Fourth Proportional to 3,222.74, 4,445.88 and 1,895.60

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Solution

The fourth proportional to 3,222.74, 4,445.88 and 1,895.60 is: 2,615.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,222.74 : 4,445.88 = 1,895.60 : x
  2. Step 2: Convert to fraction form
    3,222.74/4,445.88 = 1,895.60/x
  3. Step 3: Cross multiply
    3,222.74x = 4,445.88 × 1,895.60
  4. Step 4: Simplify right side
    3,222.74x = 8,427,610.13
  5. Step 5: Solve for x
    x = 8,427,610.13/3,222.74
  6. Step 6: Final answer
    x = 2,615.05

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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.