Home / 1,207.96-1,822.09-1,169.08

Finding the Fourth Proportional to 1,207.96, 1,822.09 and 1,169.08

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Solution

The fourth proportional to 1,207.96, 1,822.09 and 1,169.08 is: 1,763.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207.96 : 1,822.09 = 1,169.08 : x
  2. Step 2: Convert to fraction form
    1,207.96/1,822.09 = 1,169.08/x
  3. Step 3: Cross multiply
    1,207.96x = 1,822.09 × 1,169.08
  4. Step 4: Simplify right side
    1,207.96x = 2,130,168.98
  5. Step 5: Solve for x
    x = 2,130,168.98/1,207.96
  6. Step 6: Final answer
    x = 1,763.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.