Home / 2,280.10-3,416.10-2,134.30

Finding the Fourth Proportional to 2,280.10, 3,416.10 and 2,134.30

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Solution

The fourth proportional to 2,280.10, 3,416.10 and 2,134.30 is: 3,197.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,280.10 : 3,416.10 = 2,134.30 : x
  2. Step 2: Convert to fraction form
    2,280.10/3,416.10 = 2,134.30/x
  3. Step 3: Cross multiply
    2,280.10x = 3,416.10 × 2,134.30
  4. Step 4: Simplify right side
    2,280.10x = 7,290,982.23
  5. Step 5: Solve for x
    x = 7,290,982.23/2,280.10
  6. Step 6: Final answer
    x = 3,197.66

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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.