Home / 2,521.43-3,778.44-1,270.30

Finding the Fourth Proportional to 2,521.43, 3,778.44 and 1,270.30

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Solution

The fourth proportional to 2,521.43, 3,778.44 and 1,270.30 is: 1,903.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,521.43 : 3,778.44 = 1,270.30 : x
  2. Step 2: Convert to fraction form
    2,521.43/3,778.44 = 1,270.30/x
  3. Step 3: Cross multiply
    2,521.43x = 3,778.44 × 1,270.30
  4. Step 4: Simplify right side
    2,521.43x = 4,799,752.33
  5. Step 5: Solve for x
    x = 4,799,752.33/2,521.43
  6. Step 6: Final answer
    x = 1,903.58

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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.