Home / 3,314.09-4,573.46-1,821.98

Finding the Fourth Proportional to 3,314.09, 4,573.46 and 1,821.98

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Solution

The fourth proportional to 3,314.09, 4,573.46 and 1,821.98 is: 2,514.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,314.09 : 4,573.46 = 1,821.98 : x
  2. Step 2: Convert to fraction form
    3,314.09/4,573.46 = 1,821.98/x
  3. Step 3: Cross multiply
    3,314.09x = 4,573.46 × 1,821.98
  4. Step 4: Simplify right side
    3,314.09x = 8,332,720.67
  5. Step 5: Solve for x
    x = 8,332,720.67/3,314.09
  6. Step 6: Final answer
    x = 2,514.34

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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.