Home / 1,727.21-2,588.87-1,135.37

Finding the Fourth Proportional to 1,727.21, 2,588.87 and 1,135.37

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Solution

The fourth proportional to 1,727.21, 2,588.87 and 1,135.37 is: 1,701.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,727.21 : 2,588.87 = 1,135.37 : x
  2. Step 2: Convert to fraction form
    1,727.21/2,588.87 = 1,135.37/x
  3. Step 3: Cross multiply
    1,727.21x = 2,588.87 × 1,135.37
  4. Step 4: Simplify right side
    1,727.21x = 2,939,306.71
  5. Step 5: Solve for x
    x = 2,939,306.71/1,727.21
  6. Step 6: Final answer
    x = 1,701.77

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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.