Home / 2,607.85-3,912.45-1,437.65

Finding the Fourth Proportional to 2,607.85, 3,912.45 and 1,437.65

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Solution

The fourth proportional to 2,607.85, 3,912.45 and 1,437.65 is: 2,156.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,607.85 : 3,912.45 = 1,437.65 : x
  2. Step 2: Convert to fraction form
    2,607.85/3,912.45 = 1,437.65/x
  3. Step 3: Cross multiply
    2,607.85x = 3,912.45 × 1,437.65
  4. Step 4: Simplify right side
    2,607.85x = 5,624,731.55
  5. Step 5: Solve for x
    x = 5,624,731.55/2,607.85
  6. Step 6: Final answer
    x = 2,156.85

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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.