Home / 3,520.22-4,857.70-2,103.93

Finding the Fourth Proportional to 3,520.22, 4,857.70 and 2,103.93

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Solution

The fourth proportional to 3,520.22, 4,857.70 and 2,103.93 is: 2,903.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520.22 : 4,857.70 = 2,103.93 : x
  2. Step 2: Convert to fraction form
    3,520.22/4,857.70 = 2,103.93/x
  3. Step 3: Cross multiply
    3,520.22x = 4,857.70 × 2,103.93
  4. Step 4: Simplify right side
    3,520.22x = 10,220,260.76
  5. Step 5: Solve for x
    x = 10,220,260.76/3,520.22
  6. Step 6: Final answer
    x = 2,903.30

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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.