Home / 1,156.37-1,734.68-608.54

Finding the Fourth Proportional to 1,156.37, 1,734.68 and 608.54

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Solution

The fourth proportional to 1,156.37, 1,734.68 and 608.54 is: 912.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156.37 : 1,734.68 = 608.54 : x
  2. Step 2: Convert to fraction form
    1,156.37/1,734.68 = 608.54/x
  3. Step 3: Cross multiply
    1,156.37x = 1,734.68 × 608.54
  4. Step 4: Simplify right side
    1,156.37x = 1,055,615.02
  5. Step 5: Solve for x
    x = 1,055,615.02/1,156.37
  6. Step 6: Final answer
    x = 912.87

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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.