Home / 1,537.32-2,119.86-1,012.44

Finding the Fourth Proportional to 1,537.32, 2,119.86 and 1,012.44

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Solution

The fourth proportional to 1,537.32, 2,119.86 and 1,012.44 is: 1,396.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,537.32 : 2,119.86 = 1,012.44 : x
  2. Step 2: Convert to fraction form
    1,537.32/2,119.86 = 1,012.44/x
  3. Step 3: Cross multiply
    1,537.32x = 2,119.86 × 1,012.44
  4. Step 4: Simplify right side
    1,537.32x = 2,146,231.06
  5. Step 5: Solve for x
    x = 2,146,231.06/1,537.32
  6. Step 6: Final answer
    x = 1,396.09

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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.