Home / 3,448.46-4,752.74-2,814.92

Finding the Fourth Proportional to 3,448.46, 4,752.74 and 2,814.92

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Solution

The fourth proportional to 3,448.46, 4,752.74 and 2,814.92 is: 3,879.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,448.46 : 4,752.74 = 2,814.92 : x
  2. Step 2: Convert to fraction form
    3,448.46/4,752.74 = 2,814.92/x
  3. Step 3: Cross multiply
    3,448.46x = 4,752.74 × 2,814.92
  4. Step 4: Simplify right side
    3,448.46x = 13,378,582.88
  5. Step 5: Solve for x
    x = 13,378,582.88/3,448.46
  6. Step 6: Final answer
    x = 3,879.58

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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.