Home / 2,908.60-4,013.88-1,582.36

Finding the Fourth Proportional to 2,908.60, 4,013.88 and 1,582.36

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Solution

The fourth proportional to 2,908.60, 4,013.88 and 1,582.36 is: 2,183.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,908.60 : 4,013.88 = 1,582.36 : x
  2. Step 2: Convert to fraction form
    2,908.60/4,013.88 = 1,582.36/x
  3. Step 3: Cross multiply
    2,908.60x = 4,013.88 × 1,582.36
  4. Step 4: Simplify right side
    2,908.60x = 6,351,403.16
  5. Step 5: Solve for x
    x = 6,351,403.16/2,908.60
  6. Step 6: Final answer
    x = 2,183.66

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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.