Home / 2,537.40-3,806.10-2,415.90

Finding the Fourth Proportional to 2,537.40, 3,806.10 and 2,415.90

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Solution

The fourth proportional to 2,537.40, 3,806.10 and 2,415.90 is: 3,623.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,537.40 : 3,806.10 = 2,415.90 : x
  2. Step 2: Convert to fraction form
    2,537.40/3,806.10 = 2,415.90/x
  3. Step 3: Cross multiply
    2,537.40x = 3,806.10 × 2,415.90
  4. Step 4: Simplify right side
    2,537.40x = 9,195,156.99
  5. Step 5: Solve for x
    x = 9,195,156.99/2,537.40
  6. Step 6: Final answer
    x = 3,623.85

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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.