Home / 4,219.78-5,821.50-2,426.94

Finding the Fourth Proportional to 4,219.78, 5,821.50 and 2,426.94

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Solution

The fourth proportional to 4,219.78, 5,821.50 and 2,426.94 is: 3,348.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,219.78 : 5,821.50 = 2,426.94 : x
  2. Step 2: Convert to fraction form
    4,219.78/5,821.50 = 2,426.94/x
  3. Step 3: Cross multiply
    4,219.78x = 5,821.50 × 2,426.94
  4. Step 4: Simplify right side
    4,219.78x = 14,128,431.21
  5. Step 5: Solve for x
    x = 14,128,431.21/4,219.78
  6. Step 6: Final answer
    x = 3,348.14

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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.