Home / 4,218.62-5,821.74-2,330.25

Finding the Fourth Proportional to 4,218.62, 5,821.74 and 2,330.25

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Solution

The fourth proportional to 4,218.62, 5,821.74 and 2,330.25 is: 3,215.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218.62 : 5,821.74 = 2,330.25 : x
  2. Step 2: Convert to fraction form
    4,218.62/5,821.74 = 2,330.25/x
  3. Step 3: Cross multiply
    4,218.62x = 5,821.74 × 2,330.25
  4. Step 4: Simplify right side
    4,218.62x = 13,566,109.64
  5. Step 5: Solve for x
    x = 13,566,109.64/4,218.62
  6. Step 6: Final answer
    x = 3,215.77

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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.