Home / 2,020.40-3,029.25-1,630.88

Finding the Fourth Proportional to 2,020.40, 3,029.25 and 1,630.88

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Solution

The fourth proportional to 2,020.40, 3,029.25 and 1,630.88 is: 2,445.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020.40 : 3,029.25 = 1,630.88 : x
  2. Step 2: Convert to fraction form
    2,020.40/3,029.25 = 1,630.88/x
  3. Step 3: Cross multiply
    2,020.40x = 3,029.25 × 1,630.88
  4. Step 4: Simplify right side
    2,020.40x = 4,940,343.24
  5. Step 5: Solve for x
    x = 4,940,343.24/2,020.40
  6. Step 6: Final answer
    x = 2,445.23

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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.