Home / 2,975.24-4,105.60-1,648.84

Finding the Fourth Proportional to 2,975.24, 4,105.60 and 1,648.84

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Solution

The fourth proportional to 2,975.24, 4,105.60 and 1,648.84 is: 2,275.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,975.24 : 4,105.60 = 1,648.84 : x
  2. Step 2: Convert to fraction form
    2,975.24/4,105.60 = 1,648.84/x
  3. Step 3: Cross multiply
    2,975.24x = 4,105.60 × 1,648.84
  4. Step 4: Simplify right side
    2,975.24x = 6,769,477.50
  5. Step 5: Solve for x
    x = 6,769,477.50/2,975.24
  6. Step 6: Final answer
    x = 2,275.27

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