Home / 2,639.98-3,960.31-1,703.67

Finding the Fourth Proportional to 2,639.98, 3,960.31 and 1,703.67

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Solution

The fourth proportional to 2,639.98, 3,960.31 and 1,703.67 is: 2,555.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,639.98 : 3,960.31 = 1,703.67 : x
  2. Step 2: Convert to fraction form
    2,639.98/3,960.31 = 1,703.67/x
  3. Step 3: Cross multiply
    2,639.98x = 3,960.31 × 1,703.67
  4. Step 4: Simplify right side
    2,639.98x = 6,747,061.34
  5. Step 5: Solve for x
    x = 6,747,061.34/2,639.98
  6. Step 6: Final answer
    x = 2,555.72

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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.