Home / 3,319.85-4,579.49-2,075.69

Finding the Fourth Proportional to 3,319.85, 4,579.49 and 2,075.69

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Solution

The fourth proportional to 3,319.85, 4,579.49 and 2,075.69 is: 2,863.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,319.85 : 4,579.49 = 2,075.69 : x
  2. Step 2: Convert to fraction form
    3,319.85/4,579.49 = 2,075.69/x
  3. Step 3: Cross multiply
    3,319.85x = 4,579.49 × 2,075.69
  4. Step 4: Simplify right side
    3,319.85x = 9,505,618.24
  5. Step 5: Solve for x
    x = 9,505,618.24/3,319.85
  6. Step 6: Final answer
    x = 2,863.27

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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.