Home / 1,499.09-2,068.75-835.97

Finding the Fourth Proportional to 1,499.09, 2,068.75 and 835.97

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Solution

The fourth proportional to 1,499.09, 2,068.75 and 835.97 is: 1,153.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,499.09 : 2,068.75 = 835.97 : x
  2. Step 2: Convert to fraction form
    1,499.09/2,068.75 = 835.97/x
  3. Step 3: Cross multiply
    1,499.09x = 2,068.75 × 835.97
  4. Step 4: Simplify right side
    1,499.09x = 1,729,412.94
  5. Step 5: Solve for x
    x = 1,729,412.94/1,499.09
  6. Step 6: Final answer
    x = 1,153.64

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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.