Home / 3,480.58-5,220.07-2,075.39

Finding the Fourth Proportional to 3,480.58, 5,220.07 and 2,075.39

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Solution

The fourth proportional to 3,480.58, 5,220.07 and 2,075.39 is: 3,112.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,480.58 : 5,220.07 = 2,075.39 : x
  2. Step 2: Convert to fraction form
    3,480.58/5,220.07 = 2,075.39/x
  3. Step 3: Cross multiply
    3,480.58x = 5,220.07 × 2,075.39
  4. Step 4: Simplify right side
    3,480.58x = 10,833,669.36
  5. Step 5: Solve for x
    x = 10,833,669.36/3,480.58
  6. Step 6: Final answer
    x = 3,112.60

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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.