Home / 3,407.20-4,700.73-2,228.20

Finding the Fourth Proportional to 3,407.20, 4,700.73 and 2,228.20

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Solution

The fourth proportional to 3,407.20, 4,700.73 and 2,228.20 is: 3,074.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,407.20 : 4,700.73 = 2,228.20 : x
  2. Step 2: Convert to fraction form
    3,407.20/4,700.73 = 2,228.20/x
  3. Step 3: Cross multiply
    3,407.20x = 4,700.73 × 2,228.20
  4. Step 4: Simplify right side
    3,407.20x = 10,474,166.59
  5. Step 5: Solve for x
    x = 10,474,166.59/3,407.20
  6. Step 6: Final answer
    x = 3,074.13

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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.