Home / 3,176.63-4,760.40-1,787.06

Finding the Fourth Proportional to 3,176.63, 4,760.40 and 1,787.06

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Solution

The fourth proportional to 3,176.63, 4,760.40 and 1,787.06 is: 2,678.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,176.63 : 4,760.40 = 1,787.06 : x
  2. Step 2: Convert to fraction form
    3,176.63/4,760.40 = 1,787.06/x
  3. Step 3: Cross multiply
    3,176.63x = 4,760.40 × 1,787.06
  4. Step 4: Simplify right side
    3,176.63x = 8,507,139.03
  5. Step 5: Solve for x
    x = 8,507,139.03/3,176.63
  6. Step 6: Final answer
    x = 2,678.04

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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.