Home / 3,219.28-4,827.03-1,370.05

Finding the Fourth Proportional to 3,219.28, 4,827.03 and 1,370.05

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Solution

The fourth proportional to 3,219.28, 4,827.03 and 1,370.05 is: 2,054.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219.28 : 4,827.03 = 1,370.05 : x
  2. Step 2: Convert to fraction form
    3,219.28/4,827.03 = 1,370.05/x
  3. Step 3: Cross multiply
    3,219.28x = 4,827.03 × 1,370.05
  4. Step 4: Simplify right side
    3,219.28x = 6,613,272.45
  5. Step 5: Solve for x
    x = 6,613,272.45/3,219.28
  6. Step 6: Final answer
    x = 2,054.27

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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.