Home / 1,933.24-2,674.90-1,685.08

Finding the Fourth Proportional to 1,933.24, 2,674.90 and 1,685.08

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Solution

The fourth proportional to 1,933.24, 2,674.90 and 1,685.08 is: 2,331.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,933.24 : 2,674.90 = 1,685.08 : x
  2. Step 2: Convert to fraction form
    1,933.24/2,674.90 = 1,685.08/x
  3. Step 3: Cross multiply
    1,933.24x = 2,674.90 × 1,685.08
  4. Step 4: Simplify right side
    1,933.24x = 4,507,407.12
  5. Step 5: Solve for x
    x = 4,507,407.12/1,933.24
  6. Step 6: Final answer
    x = 2,331.54

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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.