Home / 3,570.90-5,344.20-3,279.30

Finding the Fourth Proportional to 3,570.90, 5,344.20 and 3,279.30

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Solution

The fourth proportional to 3,570.90, 5,344.20 and 3,279.30 is: 4,907.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,570.90 : 5,344.20 = 3,279.30 : x
  2. Step 2: Convert to fraction form
    3,570.90/5,344.20 = 3,279.30/x
  3. Step 3: Cross multiply
    3,570.90x = 5,344.20 × 3,279.30
  4. Step 4: Simplify right side
    3,570.90x = 17,525,235.06
  5. Step 5: Solve for x
    x = 17,525,235.06/3,570.90
  6. Step 6: Final answer
    x = 4,907.79

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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.