Home / 3,677.67-5,075.08-1,999.04

Finding the Fourth Proportional to 3,677.67, 5,075.08 and 1,999.04

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Solution

The fourth proportional to 3,677.67, 5,075.08 and 1,999.04 is: 2,758.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,677.67 : 5,075.08 = 1,999.04 : x
  2. Step 2: Convert to fraction form
    3,677.67/5,075.08 = 1,999.04/x
  3. Step 3: Cross multiply
    3,677.67x = 5,075.08 × 1,999.04
  4. Step 4: Simplify right side
    3,677.67x = 10,145,274.20
  5. Step 5: Solve for x
    x = 10,145,274.20/3,677.67
  6. Step 6: Final answer
    x = 2,758.61

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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.