Home / 2,730.36-4,092.30-997.50

Finding the Fourth Proportional to 2,730.36, 4,092.30 and 997.50

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Solution

The fourth proportional to 2,730.36, 4,092.30 and 997.50 is: 1,495.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,730.36 : 4,092.30 = 997.50 : x
  2. Step 2: Convert to fraction form
    2,730.36/4,092.30 = 997.50/x
  3. Step 3: Cross multiply
    2,730.36x = 4,092.30 × 997.50
  4. Step 4: Simplify right side
    2,730.36x = 4,082,069.25
  5. Step 5: Solve for x
    x = 4,082,069.25/2,730.36
  6. Step 6: Final answer
    x = 1,495.07

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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.