Home / 4,079.70-6,119.55-2,346.90

Finding the Fourth Proportional to 4,079.70, 6,119.55 and 2,346.90

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Solution

The fourth proportional to 4,079.70, 6,119.55 and 2,346.90 is: 3,520.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.70 : 6,119.55 = 2,346.90 : x
  2. Step 2: Convert to fraction form
    4,079.70/6,119.55 = 2,346.90/x
  3. Step 3: Cross multiply
    4,079.70x = 6,119.55 × 2,346.90
  4. Step 4: Simplify right side
    4,079.70x = 14,361,971.90
  5. Step 5: Solve for x
    x = 14,361,971.90/4,079.70
  6. Step 6: Final answer
    x = 3,520.35

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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.