Home / 1,296.19-1,944.55-474.49

Finding the Fourth Proportional to 1,296.19, 1,944.55 and 474.49

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Solution

The fourth proportional to 1,296.19, 1,944.55 and 474.49 is: 711.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296.19 : 1,944.55 = 474.49 : x
  2. Step 2: Convert to fraction form
    1,296.19/1,944.55 = 474.49/x
  3. Step 3: Cross multiply
    1,296.19x = 1,944.55 × 474.49
  4. Step 4: Simplify right side
    1,296.19x = 922,659.81
  5. Step 5: Solve for x
    x = 922,659.81/1,296.19
  6. Step 6: Final answer
    x = 711.83

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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.