Home / 3,511.80-5,259.60-2,410.20

Finding the Fourth Proportional to 3,511.80, 5,259.60 and 2,410.20

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Solution

The fourth proportional to 3,511.80, 5,259.60 and 2,410.20 is: 3,609.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511.80 : 5,259.60 = 2,410.20 : x
  2. Step 2: Convert to fraction form
    3,511.80/5,259.60 = 2,410.20/x
  3. Step 3: Cross multiply
    3,511.80x = 5,259.60 × 2,410.20
  4. Step 4: Simplify right side
    3,511.80x = 12,676,687.92
  5. Step 5: Solve for x
    x = 12,676,687.92/3,511.80
  6. Step 6: Final answer
    x = 3,609.74

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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.