Home / 4,189.40-5,781.36-2,300.96

Finding the Fourth Proportional to 4,189.40, 5,781.36 and 2,300.96

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Solution

The fourth proportional to 4,189.40, 5,781.36 and 2,300.96 is: 3,175.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,189.40 : 5,781.36 = 2,300.96 : x
  2. Step 2: Convert to fraction form
    4,189.40/5,781.36 = 2,300.96/x
  3. Step 3: Cross multiply
    4,189.40x = 5,781.36 × 2,300.96
  4. Step 4: Simplify right side
    4,189.40x = 13,302,678.11
  5. Step 5: Solve for x
    x = 13,302,678.11/4,189.40
  6. Step 6: Final answer
    x = 3,175.32

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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.