Home / 3,075.96-4,243.47-2,080.89

Finding the Fourth Proportional to 3,075.96, 4,243.47 and 2,080.89

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Solution

The fourth proportional to 3,075.96, 4,243.47 and 2,080.89 is: 2,870.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,075.96 : 4,243.47 = 2,080.89 : x
  2. Step 2: Convert to fraction form
    3,075.96/4,243.47 = 2,080.89/x
  3. Step 3: Cross multiply
    3,075.96x = 4,243.47 × 2,080.89
  4. Step 4: Simplify right side
    3,075.96x = 8,830,194.29
  5. Step 5: Solve for x
    x = 8,830,194.29/3,075.96
  6. Step 6: Final answer
    x = 2,870.71

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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.