Home / 3,020.56-4,532.61-1,687.48

Finding the Fourth Proportional to 3,020.56, 4,532.61 and 1,687.48

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Solution

The fourth proportional to 3,020.56, 4,532.61 and 1,687.48 is: 2,532.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020.56 : 4,532.61 = 1,687.48 : x
  2. Step 2: Convert to fraction form
    3,020.56/4,532.61 = 1,687.48/x
  3. Step 3: Cross multiply
    3,020.56x = 4,532.61 × 1,687.48
  4. Step 4: Simplify right side
    3,020.56x = 7,648,688.72
  5. Step 5: Solve for x
    x = 7,648,688.72/3,020.56
  6. Step 6: Final answer
    x = 2,532.21

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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.