Home / 2,908.09-4,013.24-1,581.85

Finding the Fourth Proportional to 2,908.09, 4,013.24 and 1,581.85

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Solution

The fourth proportional to 2,908.09, 4,013.24 and 1,581.85 is: 2,182.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,908.09 : 4,013.24 = 1,581.85 : x
  2. Step 2: Convert to fraction form
    2,908.09/4,013.24 = 1,581.85/x
  3. Step 3: Cross multiply
    2,908.09x = 4,013.24 × 1,581.85
  4. Step 4: Simplify right side
    2,908.09x = 6,348,343.69
  5. Step 5: Solve for x
    x = 6,348,343.69/2,908.09
  6. Step 6: Final answer
    x = 2,182.99

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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.