Home / 1,167.22-1,749.21-841.06

Finding the Fourth Proportional to 1,167.22, 1,749.21 and 841.06

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Solution

The fourth proportional to 1,167.22, 1,749.21 and 841.06 is: 1,260.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167.22 : 1,749.21 = 841.06 : x
  2. Step 2: Convert to fraction form
    1,167.22/1,749.21 = 841.06/x
  3. Step 3: Cross multiply
    1,167.22x = 1,749.21 × 841.06
  4. Step 4: Simplify right side
    1,167.22x = 1,471,190.56
  5. Step 5: Solve for x
    x = 1,471,190.56/1,167.22
  6. Step 6: Final answer
    x = 1,260.42

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1.5x scale

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.