Home / 3,423.19-4,724.00-1,851.29

Finding the Fourth Proportional to 3,423.19, 4,724.00 and 1,851.29

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Solution

The fourth proportional to 3,423.19, 4,724.00 and 1,851.29 is: 2,554.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,423.19 : 4,724.00 = 1,851.29 : x
  2. Step 2: Convert to fraction form
    3,423.19/4,724.00 = 1,851.29/x
  3. Step 3: Cross multiply
    3,423.19x = 4,724.00 × 1,851.29
  4. Step 4: Simplify right side
    3,423.19x = 8,745,474.97
  5. Step 5: Solve for x
    x = 8,745,474.97/3,423.19
  6. Step 6: Final answer
    x = 2,554.78

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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.