Home / 3,586.07-4,948.70-1,992.72

Finding the Fourth Proportional to 3,586.07, 4,948.70 and 1,992.72

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Solution

The fourth proportional to 3,586.07, 4,948.70 and 1,992.72 is: 2,749.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,586.07 : 4,948.70 = 1,992.72 : x
  2. Step 2: Convert to fraction form
    3,586.07/4,948.70 = 1,992.72/x
  3. Step 3: Cross multiply
    3,586.07x = 4,948.70 × 1,992.72
  4. Step 4: Simplify right side
    3,586.07x = 9,861,363.50
  5. Step 5: Solve for x
    x = 9,861,363.50/3,586.07
  6. Step 6: Final answer
    x = 2,749.91

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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.