Home / 1,231.56-1,848.09-501.15

Finding the Fourth Proportional to 1,231.56, 1,848.09 and 501.15

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Solution

The fourth proportional to 1,231.56, 1,848.09 and 501.15 is: 752.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231.56 : 1,848.09 = 501.15 : x
  2. Step 2: Convert to fraction form
    1,231.56/1,848.09 = 501.15/x
  3. Step 3: Cross multiply
    1,231.56x = 1,848.09 × 501.15
  4. Step 4: Simplify right side
    1,231.56x = 926,170.30
  5. Step 5: Solve for x
    x = 926,170.30/1,231.56
  6. Step 6: Final answer
    x = 752.03

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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.