Home / 2,631.40-3,951.58-2,526.76

Finding the Fourth Proportional to 2,631.40, 3,951.58 and 2,526.76

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Solution

The fourth proportional to 2,631.40, 3,951.58 and 2,526.76 is: 3,794.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631.40 : 3,951.58 = 2,526.76 : x
  2. Step 2: Convert to fraction form
    2,631.40/3,951.58 = 2,526.76/x
  3. Step 3: Cross multiply
    2,631.40x = 3,951.58 × 2,526.76
  4. Step 4: Simplify right side
    2,631.40x = 9,984,694.28
  5. Step 5: Solve for x
    x = 9,984,694.28/2,631.40
  6. Step 6: Final answer
    x = 3,794.44

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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.