Home / 3,457.16-5,186.46-1,265.96

Finding the Fourth Proportional to 3,457.16, 5,186.46 and 1,265.96

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Solution

The fourth proportional to 3,457.16, 5,186.46 and 1,265.96 is: 1,899.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,457.16 : 5,186.46 = 1,265.96 : x
  2. Step 2: Convert to fraction form
    3,457.16/5,186.46 = 1,265.96/x
  3. Step 3: Cross multiply
    3,457.16x = 5,186.46 × 1,265.96
  4. Step 4: Simplify right side
    3,457.16x = 6,565,850.90
  5. Step 5: Solve for x
    x = 6,565,850.90/3,457.16
  6. Step 6: Final answer
    x = 1,899.20

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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.