Home / 2,526.67-3,787.70-2,139.16

Finding the Fourth Proportional to 2,526.67, 3,787.70 and 2,139.16

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Solution

The fourth proportional to 2,526.67, 3,787.70 and 2,139.16 is: 3,206.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,526.67 : 3,787.70 = 2,139.16 : x
  2. Step 2: Convert to fraction form
    2,526.67/3,787.70 = 2,139.16/x
  3. Step 3: Cross multiply
    2,526.67x = 3,787.70 × 2,139.16
  4. Step 4: Simplify right side
    2,526.67x = 8,102,496.33
  5. Step 5: Solve for x
    x = 8,102,496.33/2,526.67
  6. Step 6: Final answer
    x = 3,206.79

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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.