Home / 3,546.18-4,889.21-2,219.40

Finding the Fourth Proportional to 3,546.18, 4,889.21 and 2,219.40

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Solution

The fourth proportional to 3,546.18, 4,889.21 and 2,219.40 is: 3,059.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,546.18 : 4,889.21 = 2,219.40 : x
  2. Step 2: Convert to fraction form
    3,546.18/4,889.21 = 2,219.40/x
  3. Step 3: Cross multiply
    3,546.18x = 4,889.21 × 2,219.40
  4. Step 4: Simplify right side
    3,546.18x = 10,851,101.58
  5. Step 5: Solve for x
    x = 10,851,101.58/3,546.18
  6. Step 6: Final answer
    x = 3,059.94

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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.