Home / 4,218.11-5,821.35-2,329.87

Finding the Fourth Proportional to 4,218.11, 5,821.35 and 2,329.87

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Solution

The fourth proportional to 4,218.11, 5,821.35 and 2,329.87 is: 3,215.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218.11 : 5,821.35 = 2,329.87 : x
  2. Step 2: Convert to fraction form
    4,218.11/5,821.35 = 2,329.87/x
  3. Step 3: Cross multiply
    4,218.11x = 5,821.35 × 2,329.87
  4. Step 4: Simplify right side
    4,218.11x = 13,562,965.43
  5. Step 5: Solve for x
    x = 13,562,965.43/4,218.11
  6. Step 6: Final answer
    x = 3,215.41

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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.