Home / 1,909.99-2,637.35-1,202.97

Finding the Fourth Proportional to 1,909.99, 2,637.35 and 1,202.97

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Solution

The fourth proportional to 1,909.99, 2,637.35 and 1,202.97 is: 1,661.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,909.99 : 2,637.35 = 1,202.97 : x
  2. Step 2: Convert to fraction form
    1,909.99/2,637.35 = 1,202.97/x
  3. Step 3: Cross multiply
    1,909.99x = 2,637.35 × 1,202.97
  4. Step 4: Simplify right side
    1,909.99x = 3,172,668.08
  5. Step 5: Solve for x
    x = 3,172,668.08/1,909.99
  6. Step 6: Final answer
    x = 1,661.09

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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.