Home / 1,157.64-1,733.34-608.68

Finding the Fourth Proportional to 1,157.64, 1,733.34 and 608.68

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Solution

The fourth proportional to 1,157.64, 1,733.34 and 608.68 is: 911.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157.64 : 1,733.34 = 608.68 : x
  2. Step 2: Convert to fraction form
    1,157.64/1,733.34 = 608.68/x
  3. Step 3: Cross multiply
    1,157.64x = 1,733.34 × 608.68
  4. Step 4: Simplify right side
    1,157.64x = 1,055,049.39
  5. Step 5: Solve for x
    x = 1,055,049.39/1,157.64
  6. Step 6: Final answer
    x = 911.38

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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.