Home / 2,976.69-4,457.94-1,657.17

Finding the Fourth Proportional to 2,976.69, 4,457.94 and 1,657.17

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Solution

The fourth proportional to 2,976.69, 4,457.94 and 1,657.17 is: 2,481.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,976.69 : 4,457.94 = 1,657.17 : x
  2. Step 2: Convert to fraction form
    2,976.69/4,457.94 = 1,657.17/x
  3. Step 3: Cross multiply
    2,976.69x = 4,457.94 × 1,657.17
  4. Step 4: Simplify right side
    2,976.69x = 7,387,558.22
  5. Step 5: Solve for x
    x = 7,387,558.22/2,976.69
  6. Step 6: Final answer
    x = 2,481.80

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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.