Home / 2,908.49-4,013.75-1,582.19

Finding the Fourth Proportional to 2,908.49, 4,013.75 and 1,582.19

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Solution

The fourth proportional to 2,908.49, 4,013.75 and 1,582.19 is: 2,183.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,908.49 : 4,013.75 = 1,582.19 : x
  2. Step 2: Convert to fraction form
    2,908.49/4,013.75 = 1,582.19/x
  3. Step 3: Cross multiply
    2,908.49x = 4,013.75 × 1,582.19
  4. Step 4: Simplify right side
    2,908.49x = 6,350,487.13
  5. Step 5: Solve for x
    x = 6,350,487.13/2,908.49
  6. Step 6: Final answer
    x = 2,183.43

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1.5x scale

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.