Home / 3,577.30-4,941.42-2,981.75

Finding the Fourth Proportional to 3,577.30, 4,941.42 and 2,981.75

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Solution

The fourth proportional to 3,577.30, 4,941.42 and 2,981.75 is: 4,118.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,577.30 : 4,941.42 = 2,981.75 : x
  2. Step 2: Convert to fraction form
    3,577.30/4,941.42 = 2,981.75/x
  3. Step 3: Cross multiply
    3,577.30x = 4,941.42 × 2,981.75
  4. Step 4: Simplify right side
    3,577.30x = 14,734,102.74
  5. Step 5: Solve for x
    x = 14,734,102.74/3,577.30
  6. Step 6: Final answer
    x = 4,118.77

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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.