Home / 1,588.08-2,379.12-1,329.72

Finding the Fourth Proportional to 1,588.08, 2,379.12 and 1,329.72

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Solution

The fourth proportional to 1,588.08, 2,379.12 and 1,329.72 is: 1,992.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588.08 : 2,379.12 = 1,329.72 : x
  2. Step 2: Convert to fraction form
    1,588.08/2,379.12 = 1,329.72/x
  3. Step 3: Cross multiply
    1,588.08x = 2,379.12 × 1,329.72
  4. Step 4: Simplify right side
    1,588.08x = 3,163,563.45
  5. Step 5: Solve for x
    x = 3,163,563.45/1,588.08
  6. Step 6: Final answer
    x = 1,992.07

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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.