Home / 3,018.60-4,530.94-1,787.24

Finding the Fourth Proportional to 3,018.60, 4,530.94 and 1,787.24

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Solution

The fourth proportional to 3,018.60, 4,530.94 and 1,787.24 is: 2,682.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018.60 : 4,530.94 = 1,787.24 : x
  2. Step 2: Convert to fraction form
    3,018.60/4,530.94 = 1,787.24/x
  3. Step 3: Cross multiply
    3,018.60x = 4,530.94 × 1,787.24
  4. Step 4: Simplify right side
    3,018.60x = 8,097,877.21
  5. Step 5: Solve for x
    x = 8,097,877.21/3,018.60
  6. Step 6: Final answer
    x = 2,682.66

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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.