Home / 3,405.56-5,110.57-1,457.92

Finding the Fourth Proportional to 3,405.56, 5,110.57 and 1,457.92

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Solution

The fourth proportional to 3,405.56, 5,110.57 and 1,457.92 is: 2,187.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,405.56 : 5,110.57 = 1,457.92 : x
  2. Step 2: Convert to fraction form
    3,405.56/5,110.57 = 1,457.92/x
  3. Step 3: Cross multiply
    3,405.56x = 5,110.57 × 1,457.92
  4. Step 4: Simplify right side
    3,405.56x = 7,450,802.21
  5. Step 5: Solve for x
    x = 7,450,802.21/3,405.56
  6. Step 6: Final answer
    x = 2,187.83

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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.