Home / 3,587.48-4,950.42-2,189.96

Finding the Fourth Proportional to 3,587.48, 4,950.42 and 2,189.96

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Solution

The fourth proportional to 3,587.48, 4,950.42 and 2,189.96 is: 3,021.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,587.48 : 4,950.42 = 2,189.96 : x
  2. Step 2: Convert to fraction form
    3,587.48/4,950.42 = 2,189.96/x
  3. Step 3: Cross multiply
    3,587.48x = 4,950.42 × 2,189.96
  4. Step 4: Simplify right side
    3,587.48x = 10,841,221.78
  5. Step 5: Solve for x
    x = 10,841,221.78/3,587.48
  6. Step 6: Final answer
    x = 3,021.96

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1.5x scale

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.