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Finding the Fourth Proportional to 2,015.58, 3,022.88 and 554.44

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Solution

The fourth proportional to 2,015.58, 3,022.88 and 554.44 is: 831.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,015.58 : 3,022.88 = 554.44 : x
  2. Step 2: Convert to fraction form
    2,015.58/3,022.88 = 554.44/x
  3. Step 3: Cross multiply
    2,015.58x = 3,022.88 × 554.44
  4. Step 4: Simplify right side
    2,015.58x = 1,676,005.59
  5. Step 5: Solve for x
    x = 1,676,005.59/2,015.58
  6. Step 6: Final answer
    x = 831.53

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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.