Home / 2,490.16-3,728.70-2,271.46

Finding the Fourth Proportional to 2,490.16, 3,728.70 and 2,271.46

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Solution

The fourth proportional to 2,490.16, 3,728.70 and 2,271.46 is: 3,401.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,490.16 : 3,728.70 = 2,271.46 : x
  2. Step 2: Convert to fraction form
    2,490.16/3,728.70 = 2,271.46/x
  3. Step 3: Cross multiply
    2,490.16x = 3,728.70 × 2,271.46
  4. Step 4: Simplify right side
    2,490.16x = 8,469,592.90
  5. Step 5: Solve for x
    x = 8,469,592.90/2,490.16
  6. Step 6: Final answer
    x = 3,401.22

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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.