Home / 3,209.48-4,419.96-2,947.04

Finding the Fourth Proportional to 3,209.48, 4,419.96 and 2,947.04

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Solution

The fourth proportional to 3,209.48, 4,419.96 and 2,947.04 is: 4,058.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,209.48 : 4,419.96 = 2,947.04 : x
  2. Step 2: Convert to fraction form
    3,209.48/4,419.96 = 2,947.04/x
  3. Step 3: Cross multiply
    3,209.48x = 4,419.96 × 2,947.04
  4. Step 4: Simplify right side
    3,209.48x = 13,025,798.92
  5. Step 5: Solve for x
    x = 13,025,798.92/3,209.48
  6. Step 6: Final answer
    x = 4,058.54

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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.