Home / 3,246.05-4,868.84-1,855.02

Finding the Fourth Proportional to 3,246.05, 4,868.84 and 1,855.02

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Solution

The fourth proportional to 3,246.05, 4,868.84 and 1,855.02 is: 2,782.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,246.05 : 4,868.84 = 1,855.02 : x
  2. Step 2: Convert to fraction form
    3,246.05/4,868.84 = 1,855.02/x
  3. Step 3: Cross multiply
    3,246.05x = 4,868.84 × 1,855.02
  4. Step 4: Simplify right side
    3,246.05x = 9,031,786.30
  5. Step 5: Solve for x
    x = 9,031,786.30/3,246.05
  6. Step 6: Final answer
    x = 2,782.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.