Home / 2,478.17-3,716.24-1,072.67

Finding the Fourth Proportional to 2,478.17, 3,716.24 and 1,072.67

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Solution

The fourth proportional to 2,478.17, 3,716.24 and 1,072.67 is: 1,608.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,478.17 : 3,716.24 = 1,072.67 : x
  2. Step 2: Convert to fraction form
    2,478.17/3,716.24 = 1,072.67/x
  3. Step 3: Cross multiply
    2,478.17x = 3,716.24 × 1,072.67
  4. Step 4: Simplify right side
    2,478.17x = 3,986,299.16
  5. Step 5: Solve for x
    x = 3,986,299.16/2,478.17
  6. Step 6: Final answer
    x = 1,608.57

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1.5x scale

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.