Home / 3,457.18-5,186.99-1,266.13

Finding the Fourth Proportional to 3,457.18, 5,186.99 and 1,266.13

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Solution

The fourth proportional to 3,457.18, 5,186.99 and 1,266.13 is: 1,899.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,457.18 : 5,186.99 = 1,266.13 : x
  2. Step 2: Convert to fraction form
    3,457.18/5,186.99 = 1,266.13/x
  3. Step 3: Cross multiply
    3,457.18x = 5,186.99 × 1,266.13
  4. Step 4: Simplify right side
    3,457.18x = 6,567,403.65
  5. Step 5: Solve for x
    x = 6,567,403.65/3,457.18
  6. Step 6: Final answer
    x = 1,899.64

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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.