Home / 2,983.94-4,117.97-1,657.65

Finding the Fourth Proportional to 2,983.94, 4,117.97 and 1,657.65

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Solution

The fourth proportional to 2,983.94, 4,117.97 and 1,657.65 is: 2,287.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,983.94 : 4,117.97 = 1,657.65 : x
  2. Step 2: Convert to fraction form
    2,983.94/4,117.97 = 1,657.65/x
  3. Step 3: Cross multiply
    2,983.94x = 4,117.97 × 1,657.65
  4. Step 4: Simplify right side
    2,983.94x = 6,826,157.11
  5. Step 5: Solve for x
    x = 6,826,157.11/2,983.94
  6. Step 6: Final answer
    x = 2,287.64

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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.