Home / 1,679.07-2,317.09-933.03

Finding the Fourth Proportional to 1,679.07, 2,317.09 and 933.03

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Solution

The fourth proportional to 1,679.07, 2,317.09 and 933.03 is: 1,287.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679.07 : 2,317.09 = 933.03 : x
  2. Step 2: Convert to fraction form
    1,679.07/2,317.09 = 933.03/x
  3. Step 3: Cross multiply
    1,679.07x = 2,317.09 × 933.03
  4. Step 4: Simplify right side
    1,679.07x = 2,161,914.48
  5. Step 5: Solve for x
    x = 2,161,914.48/1,679.07
  6. Step 6: Final answer
    x = 1,287.57

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1.5x scale

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.