Home / 2,229.97-3,075.69-1,877.77

Finding the Fourth Proportional to 2,229.97, 3,075.69 and 1,877.77

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Solution

The fourth proportional to 2,229.97, 3,075.69 and 1,877.77 is: 2,589.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,229.97 : 3,075.69 = 1,877.77 : x
  2. Step 2: Convert to fraction form
    2,229.97/3,075.69 = 1,877.77/x
  3. Step 3: Cross multiply
    2,229.97x = 3,075.69 × 1,877.77
  4. Step 4: Simplify right side
    2,229.97x = 5,775,438.41
  5. Step 5: Solve for x
    x = 5,775,438.41/2,229.97
  6. Step 6: Final answer
    x = 2,589.92

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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.