Home / 3,595.08-5,391.36-1,991.89

Finding the Fourth Proportional to 3,595.08, 5,391.36 and 1,991.89

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Solution

The fourth proportional to 3,595.08, 5,391.36 and 1,991.89 is: 2,987.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,595.08 : 5,391.36 = 1,991.89 : x
  2. Step 2: Convert to fraction form
    3,595.08/5,391.36 = 1,991.89/x
  3. Step 3: Cross multiply
    3,595.08x = 5,391.36 × 1,991.89
  4. Step 4: Simplify right side
    3,595.08x = 10,739,002.81
  5. Step 5: Solve for x
    x = 10,739,002.81/3,595.08
  6. Step 6: Final answer
    x = 2,987.14

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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.