Home / 2,908.29-4,013.40-1,581.96

Finding the Fourth Proportional to 2,908.29, 4,013.40 and 1,581.96

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Solution

The fourth proportional to 2,908.29, 4,013.40 and 1,581.96 is: 2,183.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,908.29 : 4,013.40 = 1,581.96 : x
  2. Step 2: Convert to fraction form
    2,908.29/4,013.40 = 1,581.96/x
  3. Step 3: Cross multiply
    2,908.29x = 4,013.40 × 1,581.96
  4. Step 4: Simplify right side
    2,908.29x = 6,349,038.26
  5. Step 5: Solve for x
    x = 6,349,038.26/2,908.29
  6. Step 6: Final answer
    x = 2,183.08

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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.