Home / 2,523.30-3,780.90-2,110.20

Finding the Fourth Proportional to 2,523.30, 3,780.90 and 2,110.20

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Solution

The fourth proportional to 2,523.30, 3,780.90 and 2,110.20 is: 3,161.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,523.30 : 3,780.90 = 2,110.20 : x
  2. Step 2: Convert to fraction form
    2,523.30/3,780.90 = 2,110.20/x
  3. Step 3: Cross multiply
    2,523.30x = 3,780.90 × 2,110.20
  4. Step 4: Simplify right side
    2,523.30x = 7,978,455.18
  5. Step 5: Solve for x
    x = 7,978,455.18/2,523.30
  6. Step 6: Final answer
    x = 3,161.91

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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.