Home / 1,767.25-2,650.37-713.07

Finding the Fourth Proportional to 1,767.25, 2,650.37 and 713.07

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Solution

The fourth proportional to 1,767.25, 2,650.37 and 713.07 is: 1,069.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,767.25 : 2,650.37 = 713.07 : x
  2. Step 2: Convert to fraction form
    1,767.25/2,650.37 = 713.07/x
  3. Step 3: Cross multiply
    1,767.25x = 2,650.37 × 713.07
  4. Step 4: Simplify right side
    1,767.25x = 1,889,899.34
  5. Step 5: Solve for x
    x = 1,889,899.34/1,767.25
  6. Step 6: Final answer
    x = 1,069.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.