Home / 2,048.94-2,827.29-1,209.51

Finding the Fourth Proportional to 2,048.94, 2,827.29 and 1,209.51

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Solution

The fourth proportional to 2,048.94, 2,827.29 and 1,209.51 is: 1,668.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,048.94 : 2,827.29 = 1,209.51 : x
  2. Step 2: Convert to fraction form
    2,048.94/2,827.29 = 1,209.51/x
  3. Step 3: Cross multiply
    2,048.94x = 2,827.29 × 1,209.51
  4. Step 4: Simplify right side
    2,048.94x = 3,419,635.53
  5. Step 5: Solve for x
    x = 3,419,635.53/2,048.94
  6. Step 6: Final answer
    x = 1,668.98

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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.