Home / 3,895.88-5,376.81-2,572.34

Finding the Fourth Proportional to 3,895.88, 5,376.81 and 2,572.34

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Solution

The fourth proportional to 3,895.88, 5,376.81 and 2,572.34 is: 3,550.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,895.88 : 5,376.81 = 2,572.34 : x
  2. Step 2: Convert to fraction form
    3,895.88/5,376.81 = 2,572.34/x
  3. Step 3: Cross multiply
    3,895.88x = 5,376.81 × 2,572.34
  4. Step 4: Simplify right side
    3,895.88x = 13,830,956.55
  5. Step 5: Solve for x
    x = 13,830,956.55/3,895.88
  6. Step 6: Final answer
    x = 3,550.15

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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.