Home / 3,559.44-5,331.98-2,980.22

Finding the Fourth Proportional to 3,559.44, 5,331.98 and 2,980.22

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Solution

The fourth proportional to 3,559.44, 5,331.98 and 2,980.22 is: 4,464.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,559.44 : 5,331.98 = 2,980.22 : x
  2. Step 2: Convert to fraction form
    3,559.44/5,331.98 = 2,980.22/x
  3. Step 3: Cross multiply
    3,559.44x = 5,331.98 × 2,980.22
  4. Step 4: Simplify right side
    3,559.44x = 15,890,494.22
  5. Step 5: Solve for x
    x = 15,890,494.22/3,559.44
  6. Step 6: Final answer
    x = 4,464.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.