Home / 3,381.08-5,071.62-1,189.31

Finding the Fourth Proportional to 3,381.08, 5,071.62 and 1,189.31

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Solution

The fourth proportional to 3,381.08, 5,071.62 and 1,189.31 is: 1,783.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,381.08 : 5,071.62 = 1,189.31 : x
  2. Step 2: Convert to fraction form
    3,381.08/5,071.62 = 1,189.31/x
  3. Step 3: Cross multiply
    3,381.08x = 5,071.62 × 1,189.31
  4. Step 4: Simplify right side
    3,381.08x = 6,031,703.02
  5. Step 5: Solve for x
    x = 6,031,703.02/3,381.08
  6. Step 6: Final answer
    x = 1,783.96

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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.