Home / 3,677.89-5,075.38-1,999.26

Finding the Fourth Proportional to 3,677.89, 5,075.38 and 1,999.26

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Solution

The fourth proportional to 3,677.89, 5,075.38 and 1,999.26 is: 2,758.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,677.89 : 5,075.38 = 1,999.26 : x
  2. Step 2: Convert to fraction form
    3,677.89/5,075.38 = 1,999.26/x
  3. Step 3: Cross multiply
    3,677.89x = 5,075.38 × 1,999.26
  4. Step 4: Simplify right side
    3,677.89x = 10,146,990.18
  5. Step 5: Solve for x
    x = 10,146,990.18/3,677.89
  6. Step 6: Final answer
    x = 2,758.92

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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.