Home / 4,189.10-5,781-2,300.70

Finding the Fourth Proportional to 4,189.10, 5,781 and 2,300.70

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Solution

The fourth proportional to 4,189.10, 5,781 and 2,300.70 is: 3,174.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,189.10 : 5,781 = 2,300.70 : x
  2. Step 2: Convert to fraction form
    4,189.10/5,781 = 2,300.70/x
  3. Step 3: Cross multiply
    4,189.10x = 5,781 × 2,300.70
  4. Step 4: Simplify right side
    4,189.10x = 13,300,346.70
  5. Step 5: Solve for x
    x = 13,300,346.70/4,189.10
  6. Step 6: Final answer
    x = 3,174.99

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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.