Home / 2,015.23-3,022.92-554.50

Finding the Fourth Proportional to 2,015.23, 3,022.92 and 554.50

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Solution

The fourth proportional to 2,015.23, 3,022.92 and 554.50 is: 831.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,015.23 : 3,022.92 = 554.50 : x
  2. Step 2: Convert to fraction form
    2,015.23/3,022.92 = 554.50/x
  3. Step 3: Cross multiply
    2,015.23x = 3,022.92 × 554.50
  4. Step 4: Simplify right side
    2,015.23x = 1,676,209.14
  5. Step 5: Solve for x
    x = 1,676,209.14/2,015.23
  6. Step 6: Final answer
    x = 831.77

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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.