Home / 1,491.08-2,241.70-1,219.16

Finding the Fourth Proportional to 1,491.08, 2,241.70 and 1,219.16

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Solution

The fourth proportional to 1,491.08, 2,241.70 and 1,219.16 is: 1,832.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491.08 : 2,241.70 = 1,219.16 : x
  2. Step 2: Convert to fraction form
    1,491.08/2,241.70 = 1,219.16/x
  3. Step 3: Cross multiply
    1,491.08x = 2,241.70 × 1,219.16
  4. Step 4: Simplify right side
    1,491.08x = 2,732,990.97
  5. Step 5: Solve for x
    x = 2,732,990.97/1,491.08
  6. Step 6: Final answer
    x = 1,832.89

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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.