Home / 3,420.20-4,723.26-2,360.70

Finding the Fourth Proportional to 3,420.20, 4,723.26 and 2,360.70

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Solution

The fourth proportional to 3,420.20, 4,723.26 and 2,360.70 is: 3,260.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,420.20 : 4,723.26 = 2,360.70 : x
  2. Step 2: Convert to fraction form
    3,420.20/4,723.26 = 2,360.70/x
  3. Step 3: Cross multiply
    3,420.20x = 4,723.26 × 2,360.70
  4. Step 4: Simplify right side
    3,420.20x = 11,150,199.88
  5. Step 5: Solve for x
    x = 11,150,199.88/3,420.20
  6. Step 6: Final answer
    x = 3,260.10

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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.