Home / 2,146.08-3,218.89-1,457.17

Finding the Fourth Proportional to 2,146.08, 3,218.89 and 1,457.17

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Solution

The fourth proportional to 2,146.08, 3,218.89 and 1,457.17 is: 2,185.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,146.08 : 3,218.89 = 1,457.17 : x
  2. Step 2: Convert to fraction form
    2,146.08/3,218.89 = 1,457.17/x
  3. Step 3: Cross multiply
    2,146.08x = 3,218.89 × 1,457.17
  4. Step 4: Simplify right side
    2,146.08x = 4,690,469.94
  5. Step 5: Solve for x
    x = 4,690,469.94/2,146.08
  6. Step 6: Final answer
    x = 2,185.60

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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.