Home / 2,823.48-4,215.96-2,491.62

Finding the Fourth Proportional to 2,823.48, 4,215.96 and 2,491.62

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Solution

The fourth proportional to 2,823.48, 4,215.96 and 2,491.62 is: 3,720.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,823.48 : 4,215.96 = 2,491.62 : x
  2. Step 2: Convert to fraction form
    2,823.48/4,215.96 = 2,491.62/x
  3. Step 3: Cross multiply
    2,823.48x = 4,215.96 × 2,491.62
  4. Step 4: Simplify right side
    2,823.48x = 10,504,570.26
  5. Step 5: Solve for x
    x = 10,504,570.26/2,823.48
  6. Step 6: Final answer
    x = 3,720.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.