Home / 3,435.20-4,743.03-2,109.35

Finding the Fourth Proportional to 3,435.20, 4,743.03 and 2,109.35

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Solution

The fourth proportional to 3,435.20, 4,743.03 and 2,109.35 is: 2,912.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,435.20 : 4,743.03 = 2,109.35 : x
  2. Step 2: Convert to fraction form
    3,435.20/4,743.03 = 2,109.35/x
  3. Step 3: Cross multiply
    3,435.20x = 4,743.03 × 2,109.35
  4. Step 4: Simplify right side
    3,435.20x = 10,004,686.62
  5. Step 5: Solve for x
    x = 10,004,686.62/3,435.20
  6. Step 6: Final answer
    x = 2,912.41

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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.