Home / 3,577.05-4,921.43-3,479.85

Finding the Fourth Proportional to 3,577.05, 4,921.43 and 3,479.85

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Solution

The fourth proportional to 3,577.05, 4,921.43 and 3,479.85 is: 4,787.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,577.05 : 4,921.43 = 3,479.85 : x
  2. Step 2: Convert to fraction form
    3,577.05/4,921.43 = 3,479.85/x
  3. Step 3: Cross multiply
    3,577.05x = 4,921.43 × 3,479.85
  4. Step 4: Simplify right side
    3,577.05x = 17,125,820.79
  5. Step 5: Solve for x
    x = 17,125,820.79/3,577.05
  6. Step 6: Final answer
    x = 4,787.69

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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.