Home / 3,457.92-5,182.72-1,265.60

Finding the Fourth Proportional to 3,457.92, 5,182.72 and 1,265.60

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Solution

The fourth proportional to 3,457.92, 5,182.72 and 1,265.60 is: 1,896.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,457.92 : 5,182.72 = 1,265.60 : x
  2. Step 2: Convert to fraction form
    3,457.92/5,182.72 = 1,265.60/x
  3. Step 3: Cross multiply
    3,457.92x = 5,182.72 × 1,265.60
  4. Step 4: Simplify right side
    3,457.92x = 6,559,250.43
  5. Step 5: Solve for x
    x = 6,559,250.43/3,457.92
  6. Step 6: Final answer
    x = 1,896.88

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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.