Home / 1,537.53-2,120.92-1,006.23

Finding the Fourth Proportional to 1,537.53, 2,120.92 and 1,006.23

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Solution

The fourth proportional to 1,537.53, 2,120.92 and 1,006.23 is: 1,388.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,537.53 : 2,120.92 = 1,006.23 : x
  2. Step 2: Convert to fraction form
    1,537.53/2,120.92 = 1,006.23/x
  3. Step 3: Cross multiply
    1,537.53x = 2,120.92 × 1,006.23
  4. Step 4: Simplify right side
    1,537.53x = 2,134,133.33
  5. Step 5: Solve for x
    x = 2,134,133.33/1,537.53
  6. Step 6: Final answer
    x = 1,388.03

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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.