Home / 3,577.42-4,937.43-2,180.08

Finding the Fourth Proportional to 3,577.42, 4,937.43 and 2,180.08

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Solution

The fourth proportional to 3,577.42, 4,937.43 and 2,180.08 is: 3,008.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,577.42 : 4,937.43 = 2,180.08 : x
  2. Step 2: Convert to fraction form
    3,577.42/4,937.43 = 2,180.08/x
  3. Step 3: Cross multiply
    3,577.42x = 4,937.43 × 2,180.08
  4. Step 4: Simplify right side
    3,577.42x = 10,763,992.39
  5. Step 5: Solve for x
    x = 10,763,992.39/3,577.42
  6. Step 6: Final answer
    x = 3,008.87

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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.