Home / 3,219.13-4,828.78-1,027.86

Finding the Fourth Proportional to 3,219.13, 4,828.78 and 1,027.86

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Solution

The fourth proportional to 3,219.13, 4,828.78 and 1,027.86 is: 1,541.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219.13 : 4,828.78 = 1,027.86 : x
  2. Step 2: Convert to fraction form
    3,219.13/4,828.78 = 1,027.86/x
  3. Step 3: Cross multiply
    3,219.13x = 4,828.78 × 1,027.86
  4. Step 4: Simplify right side
    3,219.13x = 4,963,309.81
  5. Step 5: Solve for x
    x = 4,963,309.81/3,219.13
  6. Step 6: Final answer
    x = 1,541.82

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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.