Home / 2,983.96-4,117.90-1,657.79

Finding the Fourth Proportional to 2,983.96, 4,117.90 and 1,657.79

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Solution

The fourth proportional to 2,983.96, 4,117.90 and 1,657.79 is: 2,287.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,983.96 : 4,117.90 = 1,657.79 : x
  2. Step 2: Convert to fraction form
    2,983.96/4,117.90 = 1,657.79/x
  3. Step 3: Cross multiply
    2,983.96x = 4,117.90 × 1,657.79
  4. Step 4: Simplify right side
    2,983.96x = 6,826,613.44
  5. Step 5: Solve for x
    x = 6,826,613.44/2,983.96
  6. Step 6: Final answer
    x = 2,287.77

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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.