Home / 3,529.09-5,290.80-2,415.52

Finding the Fourth Proportional to 3,529.09, 5,290.80 and 2,415.52

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Solution

The fourth proportional to 3,529.09, 5,290.80 and 2,415.52 is: 3,621.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,529.09 : 5,290.80 = 2,415.52 : x
  2. Step 2: Convert to fraction form
    3,529.09/5,290.80 = 2,415.52/x
  3. Step 3: Cross multiply
    3,529.09x = 5,290.80 × 2,415.52
  4. Step 4: Simplify right side
    3,529.09x = 12,780,033.22
  5. Step 5: Solve for x
    x = 12,780,033.22/3,529.09
  6. Step 6: Final answer
    x = 3,621.34

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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.