Home / 3,439.44-4,746.28-1,947.28

Finding the Fourth Proportional to 3,439.44, 4,746.28 and 1,947.28

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Solution

The fourth proportional to 3,439.44, 4,746.28 and 1,947.28 is: 2,687.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439.44 : 4,746.28 = 1,947.28 : x
  2. Step 2: Convert to fraction form
    3,439.44/4,746.28 = 1,947.28/x
  3. Step 3: Cross multiply
    3,439.44x = 4,746.28 × 1,947.28
  4. Step 4: Simplify right side
    3,439.44x = 9,242,336.12
  5. Step 5: Solve for x
    x = 9,242,336.12/3,439.44
  6. Step 6: Final answer
    x = 2,687.16

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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.