Home / 2,974.32-4,104.27-1,715.49

Finding the Fourth Proportional to 2,974.32, 4,104.27 and 1,715.49

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Solution

The fourth proportional to 2,974.32, 4,104.27 and 1,715.49 is: 2,367.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,974.32 : 4,104.27 = 1,715.49 : x
  2. Step 2: Convert to fraction form
    2,974.32/4,104.27 = 1,715.49/x
  3. Step 3: Cross multiply
    2,974.32x = 4,104.27 × 1,715.49
  4. Step 4: Simplify right side
    2,974.32x = 7,040,834.14
  5. Step 5: Solve for x
    x = 7,040,834.14/2,974.32
  6. Step 6: Final answer
    x = 2,367.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.