Home / 2,760.56-4,143-1,666.16

Finding the Fourth Proportional to 2,760.56, 4,143 and 1,666.16

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Solution

The fourth proportional to 2,760.56, 4,143 and 1,666.16 is: 2,500.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,760.56 : 4,143 = 1,666.16 : x
  2. Step 2: Convert to fraction form
    2,760.56/4,143 = 1,666.16/x
  3. Step 3: Cross multiply
    2,760.56x = 4,143 × 1,666.16
  4. Step 4: Simplify right side
    2,760.56x = 6,902,900.88
  5. Step 5: Solve for x
    x = 6,902,900.88/2,760.56
  6. Step 6: Final answer
    x = 2,500.54

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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.