Home / 3,801.36-5,701.22-2,219.02

Finding the Fourth Proportional to 3,801.36, 5,701.22 and 2,219.02

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Solution

The fourth proportional to 3,801.36, 5,701.22 and 2,219.02 is: 3,328.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,801.36 : 5,701.22 = 2,219.02 : x
  2. Step 2: Convert to fraction form
    3,801.36/5,701.22 = 2,219.02/x
  3. Step 3: Cross multiply
    3,801.36x = 5,701.22 × 2,219.02
  4. Step 4: Simplify right side
    3,801.36x = 12,651,110.11
  5. Step 5: Solve for x
    x = 12,651,110.11/3,801.36
  6. Step 6: Final answer
    x = 3,328.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.