Home / 3,588.08-5,379.37-1,638.92

Finding the Fourth Proportional to 3,588.08, 5,379.37 and 1,638.92

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Solution

The fourth proportional to 3,588.08, 5,379.37 and 1,638.92 is: 2,457.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,588.08 : 5,379.37 = 1,638.92 : x
  2. Step 2: Convert to fraction form
    3,588.08/5,379.37 = 1,638.92/x
  3. Step 3: Cross multiply
    3,588.08x = 5,379.37 × 1,638.92
  4. Step 4: Simplify right side
    3,588.08x = 8,816,357.08
  5. Step 5: Solve for x
    x = 8,816,357.08/3,588.08
  6. Step 6: Final answer
    x = 2,457.12

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1.5x scale

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.