Home / 1,898.03-2,617.79-1,235.09

Finding the Fourth Proportional to 1,898.03, 2,617.79 and 1,235.09

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Solution

The fourth proportional to 1,898.03, 2,617.79 and 1,235.09 is: 1,703.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898.03 : 2,617.79 = 1,235.09 : x
  2. Step 2: Convert to fraction form
    1,898.03/2,617.79 = 1,235.09/x
  3. Step 3: Cross multiply
    1,898.03x = 2,617.79 × 1,235.09
  4. Step 4: Simplify right side
    1,898.03x = 3,233,206.25
  5. Step 5: Solve for x
    x = 3,233,206.25/1,898.03
  6. Step 6: Final answer
    x = 1,703.45

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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.