Home / 2,984.85-4,116.83-1,804.68

Finding the Fourth Proportional to 2,984.85, 4,116.83 and 1,804.68

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Solution

The fourth proportional to 2,984.85, 4,116.83 and 1,804.68 is: 2,489.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,984.85 : 4,116.83 = 1,804.68 : x
  2. Step 2: Convert to fraction form
    2,984.85/4,116.83 = 1,804.68/x
  3. Step 3: Cross multiply
    2,984.85x = 4,116.83 × 1,804.68
  4. Step 4: Simplify right side
    2,984.85x = 7,429,551.74
  5. Step 5: Solve for x
    x = 7,429,551.74/2,984.85
  6. Step 6: Final answer
    x = 2,489.09

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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.