Home / 3,180.16-4,388.44-1,763.76

Finding the Fourth Proportional to 3,180.16, 4,388.44 and 1,763.76

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Solution

The fourth proportional to 3,180.16, 4,388.44 and 1,763.76 is: 2,433.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180.16 : 4,388.44 = 1,763.76 : x
  2. Step 2: Convert to fraction form
    3,180.16/4,388.44 = 1,763.76/x
  3. Step 3: Cross multiply
    3,180.16x = 4,388.44 × 1,763.76
  4. Step 4: Simplify right side
    3,180.16x = 7,740,124.17
  5. Step 5: Solve for x
    x = 7,740,124.17/3,180.16
  6. Step 6: Final answer
    x = 2,433.88

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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.