Home / 1,698.03-2,343.06-1,109.43

Finding the Fourth Proportional to 1,698.03, 2,343.06 and 1,109.43

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Solution

The fourth proportional to 1,698.03, 2,343.06 and 1,109.43 is: 1,530.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,698.03 : 2,343.06 = 1,109.43 : x
  2. Step 2: Convert to fraction form
    1,698.03/2,343.06 = 1,109.43/x
  3. Step 3: Cross multiply
    1,698.03x = 2,343.06 × 1,109.43
  4. Step 4: Simplify right side
    1,698.03x = 2,599,461.06
  5. Step 5: Solve for x
    x = 2,599,461.06/1,698.03
  6. Step 6: Final answer
    x = 1,530.87

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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.