Home / 3,087.45-4,631.16-1,035.45

Finding the Fourth Proportional to 3,087.45, 4,631.16 and 1,035.45

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Solution

The fourth proportional to 3,087.45, 4,631.16 and 1,035.45 is: 1,553.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,087.45 : 4,631.16 = 1,035.45 : x
  2. Step 2: Convert to fraction form
    3,087.45/4,631.16 = 1,035.45/x
  3. Step 3: Cross multiply
    3,087.45x = 4,631.16 × 1,035.45
  4. Step 4: Simplify right side
    3,087.45x = 4,795,334.62
  5. Step 5: Solve for x
    x = 4,795,334.62/3,087.45
  6. Step 6: Final answer
    x = 1,553.17

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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.