Home / 3,015.34-4,517.12-2,078.12

Finding the Fourth Proportional to 3,015.34, 4,517.12 and 2,078.12

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Solution

The fourth proportional to 3,015.34, 4,517.12 and 2,078.12 is: 3,113.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015.34 : 4,517.12 = 2,078.12 : x
  2. Step 2: Convert to fraction form
    3,015.34/4,517.12 = 2,078.12/x
  3. Step 3: Cross multiply
    3,015.34x = 4,517.12 × 2,078.12
  4. Step 4: Simplify right side
    3,015.34x = 9,387,117.41
  5. Step 5: Solve for x
    x = 9,387,117.41/3,015.34
  6. Step 6: Final answer
    x = 3,113.12

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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.