Home / 3,404.41-4,699.88-2,291.20

Finding the Fourth Proportional to 3,404.41, 4,699.88 and 2,291.20

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Solution

The fourth proportional to 3,404.41, 4,699.88 and 2,291.20 is: 3,163.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,404.41 : 4,699.88 = 2,291.20 : x
  2. Step 2: Convert to fraction form
    3,404.41/4,699.88 = 2,291.20/x
  3. Step 3: Cross multiply
    3,404.41x = 4,699.88 × 2,291.20
  4. Step 4: Simplify right side
    3,404.41x = 10,768,365.06
  5. Step 5: Solve for x
    x = 10,768,365.06/3,404.41
  6. Step 6: Final answer
    x = 3,163.06

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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.