Home / 3,677.59-5,075.08-1,999.02

Finding the Fourth Proportional to 3,677.59, 5,075.08 and 1,999.02

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Solution

The fourth proportional to 3,677.59, 5,075.08 and 1,999.02 is: 2,758.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,677.59 : 5,075.08 = 1,999.02 : x
  2. Step 2: Convert to fraction form
    3,677.59/5,075.08 = 1,999.02/x
  3. Step 3: Cross multiply
    3,677.59x = 5,075.08 × 1,999.02
  4. Step 4: Simplify right side
    3,677.59x = 10,145,161.05
  5. Step 5: Solve for x
    x = 10,145,161.05/3,677.59
  6. Step 6: Final answer
    x = 2,758.64

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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.