Home / 3,101.76-4,645.35-3,014.28

Finding the Fourth Proportional to 3,101.76, 4,645.35 and 3,014.28

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Solution

The fourth proportional to 3,101.76, 4,645.35 and 3,014.28 is: 4,514.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,101.76 : 4,645.35 = 3,014.28 : x
  2. Step 2: Convert to fraction form
    3,101.76/4,645.35 = 3,014.28/x
  3. Step 3: Cross multiply
    3,101.76x = 4,645.35 × 3,014.28
  4. Step 4: Simplify right side
    3,101.76x = 14,002,385.60
  5. Step 5: Solve for x
    x = 14,002,385.60/3,101.76
  6. Step 6: Final answer
    x = 4,514.34

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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.