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Finding the Fourth Proportional to 2,316.56, 3,475.08 and 756.76

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Solution

The fourth proportional to 2,316.56, 3,475.08 and 756.76 is: 1,135.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,316.56 : 3,475.08 = 756.76 : x
  2. Step 2: Convert to fraction form
    2,316.56/3,475.08 = 756.76/x
  3. Step 3: Cross multiply
    2,316.56x = 3,475.08 × 756.76
  4. Step 4: Simplify right side
    2,316.56x = 2,629,801.54
  5. Step 5: Solve for x
    x = 2,629,801.54/2,316.56
  6. Step 6: Final answer
    x = 1,135.22

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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.