Home / 3,828.79-5,284.31-2,337.57

Finding the Fourth Proportional to 3,828.79, 5,284.31 and 2,337.57

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Solution

The fourth proportional to 3,828.79, 5,284.31 and 2,337.57 is: 3,226.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828.79 : 5,284.31 = 2,337.57 : x
  2. Step 2: Convert to fraction form
    3,828.79/5,284.31 = 2,337.57/x
  3. Step 3: Cross multiply
    3,828.79x = 5,284.31 × 2,337.57
  4. Step 4: Simplify right side
    3,828.79x = 12,352,432.84
  5. Step 5: Solve for x
    x = 12,352,432.84/3,828.79
  6. Step 6: Final answer
    x = 3,226.20

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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.