Home / 1,173.26-1,749.44-1,158.90

Finding the Fourth Proportional to 1,173.26, 1,749.44 and 1,158.90

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Solution

The fourth proportional to 1,173.26, 1,749.44 and 1,158.90 is: 1,728.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173.26 : 1,749.44 = 1,158.90 : x
  2. Step 2: Convert to fraction form
    1,173.26/1,749.44 = 1,158.90/x
  3. Step 3: Cross multiply
    1,173.26x = 1,749.44 × 1,158.90
  4. Step 4: Simplify right side
    1,173.26x = 2,027,426.02
  5. Step 5: Solve for x
    x = 2,027,426.02/1,173.26
  6. Step 6: Final answer
    x = 1,728.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.