Home / 3,439.69-4,746.78-2,262.87

Finding the Fourth Proportional to 3,439.69, 4,746.78 and 2,262.87

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Solution

The fourth proportional to 3,439.69, 4,746.78 and 2,262.87 is: 3,122.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439.69 : 4,746.78 = 2,262.87 : x
  2. Step 2: Convert to fraction form
    3,439.69/4,746.78 = 2,262.87/x
  3. Step 3: Cross multiply
    3,439.69x = 4,746.78 × 2,262.87
  4. Step 4: Simplify right side
    3,439.69x = 10,741,346.06
  5. Step 5: Solve for x
    x = 10,741,346.06/3,439.69
  6. Step 6: Final answer
    x = 3,122.77

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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.