Home / 3,468.75-4,787.01-1,976.63

Finding the Fourth Proportional to 3,468.75, 4,787.01 and 1,976.63

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Solution

The fourth proportional to 3,468.75, 4,787.01 and 1,976.63 is: 2,727.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,468.75 : 4,787.01 = 1,976.63 : x
  2. Step 2: Convert to fraction form
    3,468.75/4,787.01 = 1,976.63/x
  3. Step 3: Cross multiply
    3,468.75x = 4,787.01 × 1,976.63
  4. Step 4: Simplify right side
    3,468.75x = 9,462,145.01
  5. Step 5: Solve for x
    x = 9,462,145.01/3,468.75
  6. Step 6: Final answer
    x = 2,727.82

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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.