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Finding the Fourth Proportional to 1,495.04, 2,063.16 and 905.16

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Solution

The fourth proportional to 1,495.04, 2,063.16 and 905.16 is: 1,249.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,495.04 : 2,063.16 = 905.16 : x
  2. Step 2: Convert to fraction form
    1,495.04/2,063.16 = 905.16/x
  3. Step 3: Cross multiply
    1,495.04x = 2,063.16 × 905.16
  4. Step 4: Simplify right side
    1,495.04x = 1,867,489.91
  5. Step 5: Solve for x
    x = 1,867,489.91/1,495.04
  6. Step 6: Final answer
    x = 1,249.13

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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.