Home / 3,075.83-4,243.43-1,894.85

Finding the Fourth Proportional to 3,075.83, 4,243.43 and 1,894.85

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Solution

The fourth proportional to 3,075.83, 4,243.43 and 1,894.85 is: 2,614.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,075.83 : 4,243.43 = 1,894.85 : x
  2. Step 2: Convert to fraction form
    3,075.83/4,243.43 = 1,894.85/x
  3. Step 3: Cross multiply
    3,075.83x = 4,243.43 × 1,894.85
  4. Step 4: Simplify right side
    3,075.83x = 8,040,646.86
  5. Step 5: Solve for x
    x = 8,040,646.86/3,075.83
  6. Step 6: Final answer
    x = 2,614.14

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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.