Home / 1,231.75-1,848.16-501.85

Finding the Fourth Proportional to 1,231.75, 1,848.16 and 501.85

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Solution

The fourth proportional to 1,231.75, 1,848.16 and 501.85 is: 752.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231.75 : 1,848.16 = 501.85 : x
  2. Step 2: Convert to fraction form
    1,231.75/1,848.16 = 501.85/x
  3. Step 3: Cross multiply
    1,231.75x = 1,848.16 × 501.85
  4. Step 4: Simplify right side
    1,231.75x = 927,495.10
  5. Step 5: Solve for x
    x = 927,495.10/1,231.75
  6. Step 6: Final answer
    x = 752.99

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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.