Home / 3,457.53-5,185.76-1,265.73

Finding the Fourth Proportional to 3,457.53, 5,185.76 and 1,265.73

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Solution

The fourth proportional to 3,457.53, 5,185.76 and 1,265.73 is: 1,898.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,457.53 : 5,185.76 = 1,265.73 : x
  2. Step 2: Convert to fraction form
    3,457.53/5,185.76 = 1,265.73/x
  3. Step 3: Cross multiply
    3,457.53x = 5,185.76 × 1,265.73
  4. Step 4: Simplify right side
    3,457.53x = 6,563,765.68
  5. Step 5: Solve for x
    x = 6,563,765.68/3,457.53
  6. Step 6: Final answer
    x = 1,898.40

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1.5x scale

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.