Home / 2,457.30-3,679.47-1,299.54

Finding the Fourth Proportional to 2,457.30, 3,679.47 and 1,299.54

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Solution

The fourth proportional to 2,457.30, 3,679.47 and 1,299.54 is: 1,945.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,457.30 : 3,679.47 = 1,299.54 : x
  2. Step 2: Convert to fraction form
    2,457.30/3,679.47 = 1,299.54/x
  3. Step 3: Cross multiply
    2,457.30x = 3,679.47 × 1,299.54
  4. Step 4: Simplify right side
    2,457.30x = 4,781,618.44
  5. Step 5: Solve for x
    x = 4,781,618.44/2,457.30
  6. Step 6: Final answer
    x = 1,945.88

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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.