Home / 1,548.51-2,135.73-1,371.66

Finding the Fourth Proportional to 1,548.51, 2,135.73 and 1,371.66

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Solution

The fourth proportional to 1,548.51, 2,135.73 and 1,371.66 is: 1,891.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,548.51 : 2,135.73 = 1,371.66 : x
  2. Step 2: Convert to fraction form
    1,548.51/2,135.73 = 1,371.66/x
  3. Step 3: Cross multiply
    1,548.51x = 2,135.73 × 1,371.66
  4. Step 4: Simplify right side
    1,548.51x = 2,929,495.41
  5. Step 5: Solve for x
    x = 2,929,495.41/1,548.51
  6. Step 6: Final answer
    x = 1,891.82

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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.