Home / 3,677.56-5,075.13-2,106.16

Finding the Fourth Proportional to 3,677.56, 5,075.13 and 2,106.16

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Solution

The fourth proportional to 3,677.56, 5,075.13 and 2,106.16 is: 2,906.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,677.56 : 5,075.13 = 2,106.16 : x
  2. Step 2: Convert to fraction form
    3,677.56/5,075.13 = 2,106.16/x
  3. Step 3: Cross multiply
    3,677.56x = 5,075.13 × 2,106.16
  4. Step 4: Simplify right side
    3,677.56x = 10,689,035.80
  5. Step 5: Solve for x
    x = 10,689,035.80/3,677.56
  6. Step 6: Final answer
    x = 2,906.56

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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.