Home / 3,075.72-4,591.43-2,857.02

Finding the Fourth Proportional to 3,075.72, 4,591.43 and 2,857.02

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Solution

The fourth proportional to 3,075.72, 4,591.43 and 2,857.02 is: 4,264.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,075.72 : 4,591.43 = 2,857.02 : x
  2. Step 2: Convert to fraction form
    3,075.72/4,591.43 = 2,857.02/x
  3. Step 3: Cross multiply
    3,075.72x = 4,591.43 × 2,857.02
  4. Step 4: Simplify right side
    3,075.72x = 13,117,793.05
  5. Step 5: Solve for x
    x = 13,117,793.05/3,075.72
  6. Step 6: Final answer
    x = 4,264.95

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.