Home / 1,475.31-2,212.97-501.19

Finding the Fourth Proportional to 1,475.31, 2,212.97 and 501.19

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Solution

The fourth proportional to 1,475.31, 2,212.97 and 501.19 is: 751.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,475.31 : 2,212.97 = 501.19 : x
  2. Step 2: Convert to fraction form
    1,475.31/2,212.97 = 501.19/x
  3. Step 3: Cross multiply
    1,475.31x = 2,212.97 × 501.19
  4. Step 4: Simplify right side
    1,475.31x = 1,109,113.22
  5. Step 5: Solve for x
    x = 1,109,113.22/1,475.31
  6. Step 6: Final answer
    x = 751.78

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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.