Home / 1,156.28-1,734.42-608.36

Finding the Fourth Proportional to 1,156.28, 1,734.42 and 608.36

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Solution

The fourth proportional to 1,156.28, 1,734.42 and 608.36 is: 912.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156.28 : 1,734.42 = 608.36 : x
  2. Step 2: Convert to fraction form
    1,156.28/1,734.42 = 608.36/x
  3. Step 3: Cross multiply
    1,156.28x = 1,734.42 × 608.36
  4. Step 4: Simplify right side
    1,156.28x = 1,055,151.75
  5. Step 5: Solve for x
    x = 1,055,151.75/1,156.28
  6. Step 6: Final answer
    x = 912.54

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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.