Home / 3,313.77-4,573.13-1,821.81

Finding the Fourth Proportional to 3,313.77, 4,573.13 and 1,821.81

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Solution

The fourth proportional to 3,313.77, 4,573.13 and 1,821.81 is: 2,514.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,313.77 : 4,573.13 = 1,821.81 : x
  2. Step 2: Convert to fraction form
    3,313.77/4,573.13 = 1,821.81/x
  3. Step 3: Cross multiply
    3,313.77x = 4,573.13 × 1,821.81
  4. Step 4: Simplify right side
    3,313.77x = 8,331,364.86
  5. Step 5: Solve for x
    x = 8,331,364.86/3,313.77
  6. Step 6: Final answer
    x = 2,514.17

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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.