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Finding the Fourth Proportional to 2,286.91, 3,430.37 and 555.54

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Solution

The fourth proportional to 2,286.91, 3,430.37 and 555.54 is: 833.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,286.91 : 3,430.37 = 555.54 : x
  2. Step 2: Convert to fraction form
    2,286.91/3,430.37 = 555.54/x
  3. Step 3: Cross multiply
    2,286.91x = 3,430.37 × 555.54
  4. Step 4: Simplify right side
    2,286.91x = 1,905,707.75
  5. Step 5: Solve for x
    x = 1,905,707.75/2,286.91
  6. Step 6: Final answer
    x = 833.31

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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.