Home / 2,457.50-3,391.26-1,338.41

Finding the Fourth Proportional to 2,457.50, 3,391.26 and 1,338.41

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Solution

The fourth proportional to 2,457.50, 3,391.26 and 1,338.41 is: 1,846.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,457.50 : 3,391.26 = 1,338.41 : x
  2. Step 2: Convert to fraction form
    2,457.50/3,391.26 = 1,338.41/x
  3. Step 3: Cross multiply
    2,457.50x = 3,391.26 × 1,338.41
  4. Step 4: Simplify right side
    2,457.50x = 4,538,896.30
  5. Step 5: Solve for x
    x = 4,538,896.30/2,457.50
  6. Step 6: Final answer
    x = 1,846.96

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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.