Home / 1,814.89-2,723.19-1,260.45

Finding the Fourth Proportional to 1,814.89, 2,723.19 and 1,260.45

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Solution

The fourth proportional to 1,814.89, 2,723.19 and 1,260.45 is: 1,891.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,814.89 : 2,723.19 = 1,260.45 : x
  2. Step 2: Convert to fraction form
    1,814.89/2,723.19 = 1,260.45/x
  3. Step 3: Cross multiply
    1,814.89x = 2,723.19 × 1,260.45
  4. Step 4: Simplify right side
    1,814.89x = 3,432,444.84
  5. Step 5: Solve for x
    x = 3,432,444.84/1,814.89
  6. Step 6: Final answer
    x = 1,891.27

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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.