Home / 2,908.42-4,013.65-1,582.12

Finding the Fourth Proportional to 2,908.42, 4,013.65 and 1,582.12

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Solution

The fourth proportional to 2,908.42, 4,013.65 and 1,582.12 is: 2,183.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,908.42 : 4,013.65 = 1,582.12 : x
  2. Step 2: Convert to fraction form
    2,908.42/4,013.65 = 1,582.12/x
  3. Step 3: Cross multiply
    2,908.42x = 4,013.65 × 1,582.12
  4. Step 4: Simplify right side
    2,908.42x = 6,350,075.94
  5. Step 5: Solve for x
    x = 6,350,075.94/2,908.42
  6. Step 6: Final answer
    x = 2,183.34

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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.