Home / 4,218.42-5,821.32-2,329.96

Finding the Fourth Proportional to 4,218.42, 5,821.32 and 2,329.96

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Solution

The fourth proportional to 4,218.42, 5,821.32 and 2,329.96 is: 3,215.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218.42 : 5,821.32 = 2,329.96 : x
  2. Step 2: Convert to fraction form
    4,218.42/5,821.32 = 2,329.96/x
  3. Step 3: Cross multiply
    4,218.42x = 5,821.32 × 2,329.96
  4. Step 4: Simplify right side
    4,218.42x = 13,563,442.75
  5. Step 5: Solve for x
    x = 13,563,442.75/4,218.42
  6. Step 6: Final answer
    x = 3,215.29

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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.