Home / 2,947.24-4,421.34-2,214.44

Finding the Fourth Proportional to 2,947.24, 4,421.34 and 2,214.44

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Solution

The fourth proportional to 2,947.24, 4,421.34 and 2,214.44 is: 3,322.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,947.24 : 4,421.34 = 2,214.44 : x
  2. Step 2: Convert to fraction form
    2,947.24/4,421.34 = 2,214.44/x
  3. Step 3: Cross multiply
    2,947.24x = 4,421.34 × 2,214.44
  4. Step 4: Simplify right side
    2,947.24x = 9,790,792.15
  5. Step 5: Solve for x
    x = 9,790,792.15/2,947.24
  6. Step 6: Final answer
    x = 3,322.02

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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.