Home / 3,345.49-4,617.34-1,928.92

Finding the Fourth Proportional to 3,345.49, 4,617.34 and 1,928.92

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Solution

The fourth proportional to 3,345.49, 4,617.34 and 1,928.92 is: 2,662.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345.49 : 4,617.34 = 1,928.92 : x
  2. Step 2: Convert to fraction form
    3,345.49/4,617.34 = 1,928.92/x
  3. Step 3: Cross multiply
    3,345.49x = 4,617.34 × 1,928.92
  4. Step 4: Simplify right side
    3,345.49x = 8,906,456.39
  5. Step 5: Solve for x
    x = 8,906,456.39/3,345.49
  6. Step 6: Final answer
    x = 2,662.23

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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.