Home / 3,677.60-5,075.06-1,998.98

Finding the Fourth Proportional to 3,677.60, 5,075.06 and 1,998.98

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Solution

The fourth proportional to 3,677.60, 5,075.06 and 1,998.98 is: 2,758.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,677.60 : 5,075.06 = 1,998.98 : x
  2. Step 2: Convert to fraction form
    3,677.60/5,075.06 = 1,998.98/x
  3. Step 3: Cross multiply
    3,677.60x = 5,075.06 × 1,998.98
  4. Step 4: Simplify right side
    3,677.60x = 10,144,927.10
  5. Step 5: Solve for x
    x = 10,144,927.10/3,677.60
  6. Step 6: Final answer
    x = 2,758.57

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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.