Home / 3,022.60-4,170.15-1,762.61

Finding the Fourth Proportional to 3,022.60, 4,170.15 and 1,762.61

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Solution

The fourth proportional to 3,022.60, 4,170.15 and 1,762.61 is: 2,431.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,022.60 : 4,170.15 = 1,762.61 : x
  2. Step 2: Convert to fraction form
    3,022.60/4,170.15 = 1,762.61/x
  3. Step 3: Cross multiply
    3,022.60x = 4,170.15 × 1,762.61
  4. Step 4: Simplify right side
    3,022.60x = 7,350,349.70
  5. Step 5: Solve for x
    x = 7,350,349.70/3,022.60
  6. Step 6: Final answer
    x = 2,431.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.