Home / 2,743.79-3,787.28-1,565.64

Finding the Fourth Proportional to 2,743.79, 3,787.28 and 1,565.64

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Solution

The fourth proportional to 2,743.79, 3,787.28 and 1,565.64 is: 2,161.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,743.79 : 3,787.28 = 1,565.64 : x
  2. Step 2: Convert to fraction form
    2,743.79/3,787.28 = 1,565.64/x
  3. Step 3: Cross multiply
    2,743.79x = 3,787.28 × 1,565.64
  4. Step 4: Simplify right side
    2,743.79x = 5,929,509.23
  5. Step 5: Solve for x
    x = 5,929,509.23/2,743.79
  6. Step 6: Final answer
    x = 2,161.07

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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.