Home / 2,282.40-3,420.90-2,050.20

Finding the Fourth Proportional to 2,282.40, 3,420.90 and 2,050.20

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Solution

The fourth proportional to 2,282.40, 3,420.90 and 2,050.20 is: 3,072.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,282.40 : 3,420.90 = 2,050.20 : x
  2. Step 2: Convert to fraction form
    2,282.40/3,420.90 = 2,050.20/x
  3. Step 3: Cross multiply
    2,282.40x = 3,420.90 × 2,050.20
  4. Step 4: Simplify right side
    2,282.40x = 7,013,529.18
  5. Step 5: Solve for x
    x = 7,013,529.18/2,282.40
  6. Step 6: Final answer
    x = 3,072.87

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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.