Home / 3,075.09-4,243.83-1,748.92

Finding the Fourth Proportional to 3,075.09, 4,243.83 and 1,748.92

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Solution

The fourth proportional to 3,075.09, 4,243.83 and 1,748.92 is: 2,413.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,075.09 : 4,243.83 = 1,748.92 : x
  2. Step 2: Convert to fraction form
    3,075.09/4,243.83 = 1,748.92/x
  3. Step 3: Cross multiply
    3,075.09x = 4,243.83 × 1,748.92
  4. Step 4: Simplify right side
    3,075.09x = 7,422,119.16
  5. Step 5: Solve for x
    x = 7,422,119.16/3,075.09
  6. Step 6: Final answer
    x = 2,413.63

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Half scale
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Double scale
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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.