Home / 3,219.13-4,439.37-2,558.17

Finding the Fourth Proportional to 3,219.13, 4,439.37 and 2,558.17

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Solution

The fourth proportional to 3,219.13, 4,439.37 and 2,558.17 is: 3,527.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219.13 : 4,439.37 = 2,558.17 : x
  2. Step 2: Convert to fraction form
    3,219.13/4,439.37 = 2,558.17/x
  3. Step 3: Cross multiply
    3,219.13x = 4,439.37 × 2,558.17
  4. Step 4: Simplify right side
    3,219.13x = 11,356,663.15
  5. Step 5: Solve for x
    x = 11,356,663.15/3,219.13
  6. Step 6: Final answer
    x = 3,527.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.