Home / 3,156.18-4,355.25-1,829.46

Finding the Fourth Proportional to 3,156.18, 4,355.25 and 1,829.46

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Solution

The fourth proportional to 3,156.18, 4,355.25 and 1,829.46 is: 2,524.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,156.18 : 4,355.25 = 1,829.46 : x
  2. Step 2: Convert to fraction form
    3,156.18/4,355.25 = 1,829.46/x
  3. Step 3: Cross multiply
    3,156.18x = 4,355.25 × 1,829.46
  4. Step 4: Simplify right side
    3,156.18x = 7,967,755.67
  5. Step 5: Solve for x
    x = 7,967,755.67/3,156.18
  6. Step 6: Final answer
    x = 2,524.49

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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.