Home / 1,040.88-1,551.30-1,039.26

Finding the Fourth Proportional to 1,040.88, 1,551.30 and 1,039.26

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Solution

The fourth proportional to 1,040.88, 1,551.30 and 1,039.26 is: 1,548.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040.88 : 1,551.30 = 1,039.26 : x
  2. Step 2: Convert to fraction form
    1,040.88/1,551.30 = 1,039.26/x
  3. Step 3: Cross multiply
    1,040.88x = 1,551.30 × 1,039.26
  4. Step 4: Simplify right side
    1,040.88x = 1,612,204.04
  5. Step 5: Solve for x
    x = 1,612,204.04/1,040.88
  6. Step 6: Final answer
    x = 1,548.89

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.