Home / 2,048.99-2,827.17-1,209.42

Finding the Fourth Proportional to 2,048.99, 2,827.17 and 1,209.42

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Solution

The fourth proportional to 2,048.99, 2,827.17 and 1,209.42 is: 1,668.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,048.99 : 2,827.17 = 1,209.42 : x
  2. Step 2: Convert to fraction form
    2,048.99/2,827.17 = 1,209.42/x
  3. Step 3: Cross multiply
    2,048.99x = 2,827.17 × 1,209.42
  4. Step 4: Simplify right side
    2,048.99x = 3,419,235.94
  5. Step 5: Solve for x
    x = 3,419,235.94/2,048.99
  6. Step 6: Final answer
    x = 1,668.75

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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.