Home / 3,078.35-4,247.07-1,733.75

Finding the Fourth Proportional to 3,078.35, 4,247.07 and 1,733.75

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Solution

The fourth proportional to 3,078.35, 4,247.07 and 1,733.75 is: 2,391.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078.35 : 4,247.07 = 1,733.75 : x
  2. Step 2: Convert to fraction form
    3,078.35/4,247.07 = 1,733.75/x
  3. Step 3: Cross multiply
    3,078.35x = 4,247.07 × 1,733.75
  4. Step 4: Simplify right side
    3,078.35x = 7,363,368.23
  5. Step 5: Solve for x
    x = 7,363,368.23/3,078.35
  6. Step 6: Final answer
    x = 2,391.98

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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.