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Finding the Fourth Proportional to 2,015.82, 3,023.70 and 555.08

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Solution

The fourth proportional to 2,015.82, 3,023.70 and 555.08 is: 832.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,015.82 : 3,023.70 = 555.08 : x
  2. Step 2: Convert to fraction form
    2,015.82/3,023.70 = 555.08/x
  3. Step 3: Cross multiply
    2,015.82x = 3,023.70 × 555.08
  4. Step 4: Simplify right side
    2,015.82x = 1,678,395.40
  5. Step 5: Solve for x
    x = 1,678,395.40/2,015.82
  6. Step 6: Final answer
    x = 832.61

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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.