Home / 3,457.89-5,187.59-1,266.64

Finding the Fourth Proportional to 3,457.89, 5,187.59 and 1,266.64

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Solution

The fourth proportional to 3,457.89, 5,187.59 and 1,266.64 is: 1,900.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,457.89 : 5,187.59 = 1,266.64 : x
  2. Step 2: Convert to fraction form
    3,457.89/5,187.59 = 1,266.64/x
  3. Step 3: Cross multiply
    3,457.89x = 5,187.59 × 1,266.64
  4. Step 4: Simplify right side
    3,457.89x = 6,570,801.57
  5. Step 5: Solve for x
    x = 6,570,801.57/3,457.89
  6. Step 6: Final answer
    x = 1,900.23

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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.