Home / 3,734.20-5,620.30-2,814.40

Finding the Fourth Proportional to 3,734.20, 5,620.30 and 2,814.40

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Solution

The fourth proportional to 3,734.20, 5,620.30 and 2,814.40 is: 4,235.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,734.20 : 5,620.30 = 2,814.40 : x
  2. Step 2: Convert to fraction form
    3,734.20/5,620.30 = 2,814.40/x
  3. Step 3: Cross multiply
    3,734.20x = 5,620.30 × 2,814.40
  4. Step 4: Simplify right side
    3,734.20x = 15,817,772.32
  5. Step 5: Solve for x
    x = 15,817,772.32/3,734.20
  6. Step 6: Final answer
    x = 4,235.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.