Home / 3,585.72-5,370.64-2,757.92

Finding the Fourth Proportional to 3,585.72, 5,370.64 and 2,757.92

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Solution

The fourth proportional to 3,585.72, 5,370.64 and 2,757.92 is: 4,130.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,585.72 : 5,370.64 = 2,757.92 : x
  2. Step 2: Convert to fraction form
    3,585.72/5,370.64 = 2,757.92/x
  3. Step 3: Cross multiply
    3,585.72x = 5,370.64 × 2,757.92
  4. Step 4: Simplify right side
    3,585.72x = 14,811,795.47
  5. Step 5: Solve for x
    x = 14,811,795.47/3,585.72
  6. Step 6: Final answer
    x = 4,130.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.