Home / 3,015.41-4,519.45-1,370.30

Finding the Fourth Proportional to 3,015.41, 4,519.45 and 1,370.30

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Solution

The fourth proportional to 3,015.41, 4,519.45 and 1,370.30 is: 2,053.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015.41 : 4,519.45 = 1,370.30 : x
  2. Step 2: Convert to fraction form
    3,015.41/4,519.45 = 1,370.30/x
  3. Step 3: Cross multiply
    3,015.41x = 4,519.45 × 1,370.30
  4. Step 4: Simplify right side
    3,015.41x = 6,192,981.45
  5. Step 5: Solve for x
    x = 6,192,981.45/3,015.41
  6. Step 6: Final answer
    x = 2,053.78

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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.