Home / 3,075.76-4,245.78-1,898.02

Finding the Fourth Proportional to 3,075.76, 4,245.78 and 1,898.02

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Solution

The fourth proportional to 3,075.76, 4,245.78 and 1,898.02 is: 2,620.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,075.76 : 4,245.78 = 1,898.02 : x
  2. Step 2: Convert to fraction form
    3,075.76/4,245.78 = 1,898.02/x
  3. Step 3: Cross multiply
    3,075.76x = 4,245.78 × 1,898.02
  4. Step 4: Simplify right side
    3,075.76x = 8,058,575.36
  5. Step 5: Solve for x
    x = 8,058,575.36/3,075.76
  6. Step 6: Final answer
    x = 2,620.03

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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.