Home / 2,984.11-4,118.02-1,657.79

Finding the Fourth Proportional to 2,984.11, 4,118.02 and 1,657.79

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Solution

The fourth proportional to 2,984.11, 4,118.02 and 1,657.79 is: 2,287.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,984.11 : 4,118.02 = 1,657.79 : x
  2. Step 2: Convert to fraction form
    2,984.11/4,118.02 = 1,657.79/x
  3. Step 3: Cross multiply
    2,984.11x = 4,118.02 × 1,657.79
  4. Step 4: Simplify right side
    2,984.11x = 6,826,791.79
  5. Step 5: Solve for x
    x = 6,826,791.79/2,984.11
  6. Step 6: Final answer
    x = 2,287.71

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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.