Home / 3,715.34-5,577.95-2,156.46

Finding the Fourth Proportional to 3,715.34, 5,577.95 and 2,156.46

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Solution

The fourth proportional to 3,715.34, 5,577.95 and 2,156.46 is: 3,237.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,715.34 : 5,577.95 = 2,156.46 : x
  2. Step 2: Convert to fraction form
    3,715.34/5,577.95 = 2,156.46/x
  3. Step 3: Cross multiply
    3,715.34x = 5,577.95 × 2,156.46
  4. Step 4: Simplify right side
    3,715.34x = 12,028,631.45
  5. Step 5: Solve for x
    x = 12,028,631.45/3,715.34
  6. Step 6: Final answer
    x = 3,237.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.