Home / 3,334.64-4,995.45-2,872.40

Finding the Fourth Proportional to 3,334.64, 4,995.45 and 2,872.40

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Solution

The fourth proportional to 3,334.64, 4,995.45 and 2,872.40 is: 4,302.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,334.64 : 4,995.45 = 2,872.40 : x
  2. Step 2: Convert to fraction form
    3,334.64/4,995.45 = 2,872.40/x
  3. Step 3: Cross multiply
    3,334.64x = 4,995.45 × 2,872.40
  4. Step 4: Simplify right side
    3,334.64x = 14,348,930.58
  5. Step 5: Solve for x
    x = 14,348,930.58/3,334.64
  6. Step 6: Final answer
    x = 4,302.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.