Home / 2,380.96-3,281.53-2,008.90

Finding the Fourth Proportional to 2,380.96, 3,281.53 and 2,008.90

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Solution

The fourth proportional to 2,380.96, 3,281.53 and 2,008.90 is: 2,768.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,380.96 : 3,281.53 = 2,008.90 : x
  2. Step 2: Convert to fraction form
    2,380.96/3,281.53 = 2,008.90/x
  3. Step 3: Cross multiply
    2,380.96x = 3,281.53 × 2,008.90
  4. Step 4: Simplify right side
    2,380.96x = 6,592,239.16
  5. Step 5: Solve for x
    x = 6,592,239.16/2,380.96
  6. Step 6: Final answer
    x = 2,768.74

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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.