Home / 3,780.48-5,664.42-1,313.94

Finding the Fourth Proportional to 3,780.48, 5,664.42 and 1,313.94

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Solution

The fourth proportional to 3,780.48, 5,664.42 and 1,313.94 is: 1,968.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,780.48 : 5,664.42 = 1,313.94 : x
  2. Step 2: Convert to fraction form
    3,780.48/5,664.42 = 1,313.94/x
  3. Step 3: Cross multiply
    3,780.48x = 5,664.42 × 1,313.94
  4. Step 4: Simplify right side
    3,780.48x = 7,442,708.01
  5. Step 5: Solve for x
    x = 7,442,708.01/3,780.48
  6. Step 6: Final answer
    x = 1,968.72

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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.