Home / 2,490.13-3,733.46-1,102.71

Finding the Fourth Proportional to 2,490.13, 3,733.46 and 1,102.71

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Solution

The fourth proportional to 2,490.13, 3,733.46 and 1,102.71 is: 1,653.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,490.13 : 3,733.46 = 1,102.71 : x
  2. Step 2: Convert to fraction form
    2,490.13/3,733.46 = 1,102.71/x
  3. Step 3: Cross multiply
    2,490.13x = 3,733.46 × 1,102.71
  4. Step 4: Simplify right side
    2,490.13x = 4,116,942.50
  5. Step 5: Solve for x
    x = 4,116,942.50/2,490.13
  6. Step 6: Final answer
    x = 1,653.30

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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.