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Finding the Fourth Proportional to 2,015.91, 3,023.82 and 555.03

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Solution

The fourth proportional to 2,015.91, 3,023.82 and 555.03 is: 832.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,015.91 : 3,023.82 = 555.03 : x
  2. Step 2: Convert to fraction form
    2,015.91/3,023.82 = 555.03/x
  3. Step 3: Cross multiply
    2,015.91x = 3,023.82 × 555.03
  4. Step 4: Simplify right side
    2,015.91x = 1,678,310.81
  5. Step 5: Solve for x
    x = 1,678,310.81/2,015.91
  6. Step 6: Final answer
    x = 832.53

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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.