Home / 2,526.78-3,787.84-2,319.21

Finding the Fourth Proportional to 2,526.78, 3,787.84 and 2,319.21

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Solution

The fourth proportional to 2,526.78, 3,787.84 and 2,319.21 is: 3,476.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,526.78 : 3,787.84 = 2,319.21 : x
  2. Step 2: Convert to fraction form
    2,526.78/3,787.84 = 2,319.21/x
  3. Step 3: Cross multiply
    2,526.78x = 3,787.84 × 2,319.21
  4. Step 4: Simplify right side
    2,526.78x = 8,784,800.46
  5. Step 5: Solve for x
    x = 8,784,800.46/2,526.78
  6. Step 6: Final answer
    x = 3,476.68

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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.