Home / 3,313.74-4,573.04-1,821.75

Finding the Fourth Proportional to 3,313.74, 4,573.04 and 1,821.75

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Solution

The fourth proportional to 3,313.74, 4,573.04 and 1,821.75 is: 2,514.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,313.74 : 4,573.04 = 1,821.75 : x
  2. Step 2: Convert to fraction form
    3,313.74/4,573.04 = 1,821.75/x
  3. Step 3: Cross multiply
    3,313.74x = 4,573.04 × 1,821.75
  4. Step 4: Simplify right side
    3,313.74x = 8,330,935.62
  5. Step 5: Solve for x
    x = 8,330,935.62/3,313.74
  6. Step 6: Final answer
    x = 2,514.06

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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.