Home / 3,881.48-5,820.28-1,799.70

Finding the Fourth Proportional to 3,881.48, 5,820.28 and 1,799.70

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Solution

The fourth proportional to 3,881.48, 5,820.28 and 1,799.70 is: 2,698.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,881.48 : 5,820.28 = 1,799.70 : x
  2. Step 2: Convert to fraction form
    3,881.48/5,820.28 = 1,799.70/x
  3. Step 3: Cross multiply
    3,881.48x = 5,820.28 × 1,799.70
  4. Step 4: Simplify right side
    3,881.48x = 10,474,757.92
  5. Step 5: Solve for x
    x = 10,474,757.92/3,881.48
  6. Step 6: Final answer
    x = 2,698.65

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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.