Home / 1,726.11-2,588.36-903.56

Finding the Fourth Proportional to 1,726.11, 2,588.36 and 903.56

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Solution

The fourth proportional to 1,726.11, 2,588.36 and 903.56 is: 1,354.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,726.11 : 2,588.36 = 903.56 : x
  2. Step 2: Convert to fraction form
    1,726.11/2,588.36 = 903.56/x
  3. Step 3: Cross multiply
    1,726.11x = 2,588.36 × 903.56
  4. Step 4: Simplify right side
    1,726.11x = 2,338,721.10
  5. Step 5: Solve for x
    x = 2,338,721.10/1,726.11
  6. Step 6: Final answer
    x = 1,354.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.