Home / 3,345.25-4,616.93-1,928.66

Finding the Fourth Proportional to 3,345.25, 4,616.93 and 1,928.66

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Solution

The fourth proportional to 3,345.25, 4,616.93 and 1,928.66 is: 2,661.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345.25 : 4,616.93 = 1,928.66 : x
  2. Step 2: Convert to fraction form
    3,345.25/4,616.93 = 1,928.66/x
  3. Step 3: Cross multiply
    3,345.25x = 4,616.93 × 1,928.66
  4. Step 4: Simplify right side
    3,345.25x = 8,904,495.92
  5. Step 5: Solve for x
    x = 8,904,495.92/3,345.25
  6. Step 6: Final answer
    x = 2,661.83

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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.