Home / 1,630.53-2,249.87-1,001.16

Finding the Fourth Proportional to 1,630.53, 2,249.87 and 1,001.16

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Solution

The fourth proportional to 1,630.53, 2,249.87 and 1,001.16 is: 1,381.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630.53 : 2,249.87 = 1,001.16 : x
  2. Step 2: Convert to fraction form
    1,630.53/2,249.87 = 1,001.16/x
  3. Step 3: Cross multiply
    1,630.53x = 2,249.87 × 1,001.16
  4. Step 4: Simplify right side
    1,630.53x = 2,252,474.84
  5. Step 5: Solve for x
    x = 2,252,474.84/1,630.53
  6. Step 6: Final answer
    x = 1,381.44

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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.