Home / 2,836.66-3,914.61-1,657.50

Finding the Fourth Proportional to 2,836.66, 3,914.61 and 1,657.50

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Solution

The fourth proportional to 2,836.66, 3,914.61 and 1,657.50 is: 2,287.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,836.66 : 3,914.61 = 1,657.50 : x
  2. Step 2: Convert to fraction form
    2,836.66/3,914.61 = 1,657.50/x
  3. Step 3: Cross multiply
    2,836.66x = 3,914.61 × 1,657.50
  4. Step 4: Simplify right side
    2,836.66x = 6,488,466.08
  5. Step 5: Solve for x
    x = 6,488,466.08/2,836.66
  6. Step 6: Final answer
    x = 2,287.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.