Home / 2,882.99-4,323.40-1,238.69

Finding the Fourth Proportional to 2,882.99, 4,323.40 and 1,238.69

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Solution

The fourth proportional to 2,882.99, 4,323.40 and 1,238.69 is: 1,857.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,882.99 : 4,323.40 = 1,238.69 : x
  2. Step 2: Convert to fraction form
    2,882.99/4,323.40 = 1,238.69/x
  3. Step 3: Cross multiply
    2,882.99x = 4,323.40 × 1,238.69
  4. Step 4: Simplify right side
    2,882.99x = 5,355,352.35
  5. Step 5: Solve for x
    x = 5,355,352.35/2,882.99
  6. Step 6: Final answer
    x = 1,857.57

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1.5x scale

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.