Home / 3,403.44-4,697.19-1,911.84

Finding the Fourth Proportional to 3,403.44, 4,697.19 and 1,911.84

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Solution

The fourth proportional to 3,403.44, 4,697.19 and 1,911.84 is: 2,638.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,403.44 : 4,697.19 = 1,911.84 : x
  2. Step 2: Convert to fraction form
    3,403.44/4,697.19 = 1,911.84/x
  3. Step 3: Cross multiply
    3,403.44x = 4,697.19 × 1,911.84
  4. Step 4: Simplify right side
    3,403.44x = 8,980,275.73
  5. Step 5: Solve for x
    x = 8,980,275.73/3,403.44
  6. Step 6: Final answer
    x = 2,638.59

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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.