Home / 3,439.41-4,746.60-1,947.48

Finding the Fourth Proportional to 3,439.41, 4,746.60 and 1,947.48

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Solution

The fourth proportional to 3,439.41, 4,746.60 and 1,947.48 is: 2,687.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439.41 : 4,746.60 = 1,947.48 : x
  2. Step 2: Convert to fraction form
    3,439.41/4,746.60 = 1,947.48/x
  3. Step 3: Cross multiply
    3,439.41x = 4,746.60 × 1,947.48
  4. Step 4: Simplify right side
    3,439.41x = 9,243,908.57
  5. Step 5: Solve for x
    x = 9,243,908.57/3,439.41
  6. Step 6: Final answer
    x = 2,687.64

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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.