Home / 3,439.64-4,746.94-1,947.57

Finding the Fourth Proportional to 3,439.64, 4,746.94 and 1,947.57

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Solution

The fourth proportional to 3,439.64, 4,746.94 and 1,947.57 is: 2,687.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439.64 : 4,746.94 = 1,947.57 : x
  2. Step 2: Convert to fraction form
    3,439.64/4,746.94 = 1,947.57/x
  3. Step 3: Cross multiply
    3,439.64x = 4,746.94 × 1,947.57
  4. Step 4: Simplify right side
    3,439.64x = 9,244,969.33
  5. Step 5: Solve for x
    x = 9,244,969.33/3,439.64
  6. Step 6: Final answer
    x = 2,687.77

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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.