Home / 3,125.36-4,679.58-2,731.52

Finding the Fourth Proportional to 3,125.36, 4,679.58 and 2,731.52

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Solution

The fourth proportional to 3,125.36, 4,679.58 and 2,731.52 is: 4,089.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.36 : 4,679.58 = 2,731.52 : x
  2. Step 2: Convert to fraction form
    3,125.36/4,679.58 = 2,731.52/x
  3. Step 3: Cross multiply
    3,125.36x = 4,679.58 × 2,731.52
  4. Step 4: Simplify right side
    3,125.36x = 12,782,366.36
  5. Step 5: Solve for x
    x = 12,782,366.36/3,125.36
  6. Step 6: Final answer
    x = 4,089.89

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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.