Home / 1,456.84-2,181.44-1,336.55

Finding the Fourth Proportional to 1,456.84, 2,181.44 and 1,336.55

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Solution

The fourth proportional to 1,456.84, 2,181.44 and 1,336.55 is: 2,001.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456.84 : 2,181.44 = 1,336.55 : x
  2. Step 2: Convert to fraction form
    1,456.84/2,181.44 = 1,336.55/x
  3. Step 3: Cross multiply
    1,456.84x = 2,181.44 × 1,336.55
  4. Step 4: Simplify right side
    1,456.84x = 2,915,612.43
  5. Step 5: Solve for x
    x = 2,915,612.43/1,456.84
  6. Step 6: Final answer
    x = 2,001.33

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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.