Home / 1,256.44-1,731.36-1,036.96

Finding the Fourth Proportional to 1,256.44, 1,731.36 and 1,036.96

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Solution

The fourth proportional to 1,256.44, 1,731.36 and 1,036.96 is: 1,428.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256.44 : 1,731.36 = 1,036.96 : x
  2. Step 2: Convert to fraction form
    1,256.44/1,731.36 = 1,036.96/x
  3. Step 3: Cross multiply
    1,256.44x = 1,731.36 × 1,036.96
  4. Step 4: Simplify right side
    1,256.44x = 1,795,351.07
  5. Step 5: Solve for x
    x = 1,795,351.07/1,256.44
  6. Step 6: Final answer
    x = 1,428.92

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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.