Home / 1,787.16-2,464.42-1,539.32

Finding the Fourth Proportional to 1,787.16, 2,464.42 and 1,539.32

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Solution

The fourth proportional to 1,787.16, 2,464.42 and 1,539.32 is: 2,122.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787.16 : 2,464.42 = 1,539.32 : x
  2. Step 2: Convert to fraction form
    1,787.16/2,464.42 = 1,539.32/x
  3. Step 3: Cross multiply
    1,787.16x = 2,464.42 × 1,539.32
  4. Step 4: Simplify right side
    1,787.16x = 3,793,530.99
  5. Step 5: Solve for x
    x = 3,793,530.99/1,787.16
  6. Step 6: Final answer
    x = 2,122.66

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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.