Home / 3,403.41-4,698.50-2,290.20

Finding the Fourth Proportional to 3,403.41, 4,698.50 and 2,290.20

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Solution

The fourth proportional to 3,403.41, 4,698.50 and 2,290.20 is: 3,161.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,403.41 : 4,698.50 = 2,290.20 : x
  2. Step 2: Convert to fraction form
    3,403.41/4,698.50 = 2,290.20/x
  3. Step 3: Cross multiply
    3,403.41x = 4,698.50 × 2,290.20
  4. Step 4: Simplify right side
    3,403.41x = 10,760,493.25
  5. Step 5: Solve for x
    x = 10,760,493.25/3,403.41
  6. Step 6: Final answer
    x = 3,161.68

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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.