Home / 3,491.48-4,818.15-1,999.27

Finding the Fourth Proportional to 3,491.48, 4,818.15 and 1,999.27

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Solution

The fourth proportional to 3,491.48, 4,818.15 and 1,999.27 is: 2,758.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,491.48 : 4,818.15 = 1,999.27 : x
  2. Step 2: Convert to fraction form
    3,491.48/4,818.15 = 1,999.27/x
  3. Step 3: Cross multiply
    3,491.48x = 4,818.15 × 1,999.27
  4. Step 4: Simplify right side
    3,491.48x = 9,632,788.77
  5. Step 5: Solve for x
    x = 9,632,788.77/3,491.48
  6. Step 6: Final answer
    x = 2,758.94

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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.