Home / 3,457.31-5,186.54-1,269.11

Finding the Fourth Proportional to 3,457.31, 5,186.54 and 1,269.11

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Solution

The fourth proportional to 3,457.31, 5,186.54 and 1,269.11 is: 1,903.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,457.31 : 5,186.54 = 1,269.11 : x
  2. Step 2: Convert to fraction form
    3,457.31/5,186.54 = 1,269.11/x
  3. Step 3: Cross multiply
    3,457.31x = 5,186.54 × 1,269.11
  4. Step 4: Simplify right side
    3,457.31x = 6,582,283.43
  5. Step 5: Solve for x
    x = 6,582,283.43/3,457.31
  6. Step 6: Final answer
    x = 1,903.87

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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.