Home / 3,677.09-5,075.27-2,106.09

Finding the Fourth Proportional to 3,677.09, 5,075.27 and 2,106.09

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Solution

The fourth proportional to 3,677.09, 5,075.27 and 2,106.09 is: 2,906.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,677.09 : 5,075.27 = 2,106.09 : x
  2. Step 2: Convert to fraction form
    3,677.09/5,075.27 = 2,106.09/x
  3. Step 3: Cross multiply
    3,677.09x = 5,075.27 × 2,106.09
  4. Step 4: Simplify right side
    3,677.09x = 10,688,975.39
  5. Step 5: Solve for x
    x = 10,688,975.39/3,677.09
  6. Step 6: Final answer
    x = 2,906.91

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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.