Home / 3,677.50-5,075.00-1,998.93

Finding the Fourth Proportional to 3,677.50, 5,075.00 and 1,998.93

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Solution

The fourth proportional to 3,677.50, 5,075.00 and 1,998.93 is: 2,758.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,677.50 : 5,075.00 = 1,998.93 : x
  2. Step 2: Convert to fraction form
    3,677.50/5,075.00 = 1,998.93/x
  3. Step 3: Cross multiply
    3,677.50x = 5,075.00 × 1,998.93
  4. Step 4: Simplify right side
    3,677.50x = 10,144,568.98
  5. Step 5: Solve for x
    x = 10,144,568.98/3,677.50
  6. Step 6: Final answer
    x = 2,758.55

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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.