Home / 4,218.28-5,821.30-2,329.97

Finding the Fourth Proportional to 4,218.28, 5,821.30 and 2,329.97

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Solution

The fourth proportional to 4,218.28, 5,821.30 and 2,329.97 is: 3,215.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218.28 : 5,821.30 = 2,329.97 : x
  2. Step 2: Convert to fraction form
    4,218.28/5,821.30 = 2,329.97/x
  3. Step 3: Cross multiply
    4,218.28x = 5,821.30 × 2,329.97
  4. Step 4: Simplify right side
    4,218.28x = 13,563,428.17
  5. Step 5: Solve for x
    x = 13,563,428.17/4,218.28
  6. Step 6: Final answer
    x = 3,215.39

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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.