Home / 4,218.81-5,821.84-2,330.43

Finding the Fourth Proportional to 4,218.81, 5,821.84 and 2,330.43

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Solution

The fourth proportional to 4,218.81, 5,821.84 and 2,330.43 is: 3,215.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218.81 : 5,821.84 = 2,330.43 : x
  2. Step 2: Convert to fraction form
    4,218.81/5,821.84 = 2,330.43/x
  3. Step 3: Cross multiply
    4,218.81x = 5,821.84 × 2,330.43
  4. Step 4: Simplify right side
    4,218.81x = 13,567,390.59
  5. Step 5: Solve for x
    x = 13,567,390.59/4,218.81
  6. Step 6: Final answer
    x = 3,215.93

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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.