Home / 1,787.26-2,464.20-1,156.72

Finding the Fourth Proportional to 1,787.26, 2,464.20 and 1,156.72

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Solution

The fourth proportional to 1,787.26, 2,464.20 and 1,156.72 is: 1,594.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787.26 : 2,464.20 = 1,156.72 : x
  2. Step 2: Convert to fraction form
    1,787.26/2,464.20 = 1,156.72/x
  3. Step 3: Cross multiply
    1,787.26x = 2,464.20 × 1,156.72
  4. Step 4: Simplify right side
    1,787.26x = 2,850,389.42
  5. Step 5: Solve for x
    x = 2,850,389.42/1,787.26
  6. Step 6: Final answer
    x = 1,594.84

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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.