Home / 2,075.26-3,113.10-979.33

Finding the Fourth Proportional to 2,075.26, 3,113.10 and 979.33

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Solution

The fourth proportional to 2,075.26, 3,113.10 and 979.33 is: 1,469.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,075.26 : 3,113.10 = 979.33 : x
  2. Step 2: Convert to fraction form
    2,075.26/3,113.10 = 979.33/x
  3. Step 3: Cross multiply
    2,075.26x = 3,113.10 × 979.33
  4. Step 4: Simplify right side
    2,075.26x = 3,048,752.22
  5. Step 5: Solve for x
    x = 3,048,752.22/2,075.26
  6. Step 6: Final answer
    x = 1,469.09

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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.