Home / 2,000.30-2,760.44-1,213.88

Finding the Fourth Proportional to 2,000.30, 2,760.44 and 1,213.88

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Solution

The fourth proportional to 2,000.30, 2,760.44 and 1,213.88 is: 1,675.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,000.30 : 2,760.44 = 1,213.88 : x
  2. Step 2: Convert to fraction form
    2,000.30/2,760.44 = 1,213.88/x
  3. Step 3: Cross multiply
    2,000.30x = 2,760.44 × 1,213.88
  4. Step 4: Simplify right side
    2,000.30x = 3,350,823.04
  5. Step 5: Solve for x
    x = 3,350,823.04/2,000.30
  6. Step 6: Final answer
    x = 1,675.16

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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.