Home / 3,895.75-5,376.63-2,572.21

Finding the Fourth Proportional to 3,895.75, 5,376.63 and 2,572.21

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Solution

The fourth proportional to 3,895.75, 5,376.63 and 2,572.21 is: 3,549.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,895.75 : 5,376.63 = 2,572.21 : x
  2. Step 2: Convert to fraction form
    3,895.75/5,376.63 = 2,572.21/x
  3. Step 3: Cross multiply
    3,895.75x = 5,376.63 × 2,572.21
  4. Step 4: Simplify right side
    3,895.75x = 13,829,821.45
  5. Step 5: Solve for x
    x = 13,829,821.45/3,895.75
  6. Step 6: Final answer
    x = 3,549.98

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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.