Home / 1,487.26-2,232.93-757.34

Finding the Fourth Proportional to 1,487.26, 2,232.93 and 757.34

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Solution

The fourth proportional to 1,487.26, 2,232.93 and 757.34 is: 1,137.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487.26 : 2,232.93 = 757.34 : x
  2. Step 2: Convert to fraction form
    1,487.26/2,232.93 = 757.34/x
  3. Step 3: Cross multiply
    1,487.26x = 2,232.93 × 757.34
  4. Step 4: Simplify right side
    1,487.26x = 1,691,087.21
  5. Step 5: Solve for x
    x = 1,691,087.21/1,487.26
  6. Step 6: Final answer
    x = 1,137.05

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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.