Home / 2,346.92-3,238.73-1,284.70

Finding the Fourth Proportional to 2,346.92, 3,238.73 and 1,284.70

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Solution

The fourth proportional to 2,346.92, 3,238.73 and 1,284.70 is: 1,772.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,346.92 : 3,238.73 = 1,284.70 : x
  2. Step 2: Convert to fraction form
    2,346.92/3,238.73 = 1,284.70/x
  3. Step 3: Cross multiply
    2,346.92x = 3,238.73 × 1,284.70
  4. Step 4: Simplify right side
    2,346.92x = 4,160,773.81
  5. Step 5: Solve for x
    x = 4,160,773.81/2,346.92
  6. Step 6: Final answer
    x = 1,772.87

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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.