Home / 1,913.95-2,864.44-1,144.99

Finding the Fourth Proportional to 1,913.95, 2,864.44 and 1,144.99

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Solution

The fourth proportional to 1,913.95, 2,864.44 and 1,144.99 is: 1,713.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913.95 : 2,864.44 = 1,144.99 : x
  2. Step 2: Convert to fraction form
    1,913.95/2,864.44 = 1,144.99/x
  3. Step 3: Cross multiply
    1,913.95x = 2,864.44 × 1,144.99
  4. Step 4: Simplify right side
    1,913.95x = 3,279,755.16
  5. Step 5: Solve for x
    x = 3,279,755.16/1,913.95
  6. Step 6: Final answer
    x = 1,713.61

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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.