Home / 3,826.60-5,742.78-2,591.08

Finding the Fourth Proportional to 3,826.60, 5,742.78 and 2,591.08

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Solution

The fourth proportional to 3,826.60, 5,742.78 and 2,591.08 is: 3,888.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,826.60 : 5,742.78 = 2,591.08 : x
  2. Step 2: Convert to fraction form
    3,826.60/5,742.78 = 2,591.08/x
  3. Step 3: Cross multiply
    3,826.60x = 5,742.78 × 2,591.08
  4. Step 4: Simplify right side
    3,826.60x = 14,880,002.40
  5. Step 5: Solve for x
    x = 14,880,002.40/3,826.60
  6. Step 6: Final answer
    x = 3,888.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.