Home / 3,467.61-4,787.51-2,143.06

Finding the Fourth Proportional to 3,467.61, 4,787.51 and 2,143.06

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Solution

The fourth proportional to 3,467.61, 4,787.51 and 2,143.06 is: 2,958.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,467.61 : 4,787.51 = 2,143.06 : x
  2. Step 2: Convert to fraction form
    3,467.61/4,787.51 = 2,143.06/x
  3. Step 3: Cross multiply
    3,467.61x = 4,787.51 × 2,143.06
  4. Step 4: Simplify right side
    3,467.61x = 10,259,898.50
  5. Step 5: Solve for x
    x = 10,259,898.50/3,467.61
  6. Step 6: Final answer
    x = 2,958.78

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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.