Home / 2,115.01-3,173.31-882.32

Finding the Fourth Proportional to 2,115.01, 3,173.31 and 882.32

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Solution

The fourth proportional to 2,115.01, 3,173.31 and 882.32 is: 1,323.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,115.01 : 3,173.31 = 882.32 : x
  2. Step 2: Convert to fraction form
    2,115.01/3,173.31 = 882.32/x
  3. Step 3: Cross multiply
    2,115.01x = 3,173.31 × 882.32
  4. Step 4: Simplify right side
    2,115.01x = 2,799,871.66
  5. Step 5: Solve for x
    x = 2,799,871.66/2,115.01
  6. Step 6: Final answer
    x = 1,323.81

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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.