Home / 2,513.44-3,767-1,783.20

Finding the Fourth Proportional to 2,513.44, 3,767 and 1,783.20

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Solution

The fourth proportional to 2,513.44, 3,767 and 1,783.20 is: 2,672.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,513.44 : 3,767 = 1,783.20 : x
  2. Step 2: Convert to fraction form
    2,513.44/3,767 = 1,783.20/x
  3. Step 3: Cross multiply
    2,513.44x = 3,767 × 1,783.20
  4. Step 4: Simplify right side
    2,513.44x = 6,717,314.40
  5. Step 5: Solve for x
    x = 6,717,314.40/2,513.44
  6. Step 6: Final answer
    x = 2,672.56

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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.