Home / 2,711.50-4,065.75-1,601.38

Finding the Fourth Proportional to 2,711.50, 4,065.75 and 1,601.38

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Solution

The fourth proportional to 2,711.50, 4,065.75 and 1,601.38 is: 2,401.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,711.50 : 4,065.75 = 1,601.38 : x
  2. Step 2: Convert to fraction form
    2,711.50/4,065.75 = 1,601.38/x
  3. Step 3: Cross multiply
    2,711.50x = 4,065.75 × 1,601.38
  4. Step 4: Simplify right side
    2,711.50x = 6,510,810.74
  5. Step 5: Solve for x
    x = 6,510,810.74/2,711.50
  6. Step 6: Final answer
    x = 2,401.18

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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.