Home / 2,835.39-3,913.34-1,787.79

Finding the Fourth Proportional to 2,835.39, 3,913.34 and 1,787.79

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Solution

The fourth proportional to 2,835.39, 3,913.34 and 1,787.79 is: 2,467.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,835.39 : 3,913.34 = 1,787.79 : x
  2. Step 2: Convert to fraction form
    2,835.39/3,913.34 = 1,787.79/x
  3. Step 3: Cross multiply
    2,835.39x = 3,913.34 × 1,787.79
  4. Step 4: Simplify right side
    2,835.39x = 6,996,221.18
  5. Step 5: Solve for x
    x = 6,996,221.18/2,835.39
  6. Step 6: Final answer
    x = 2,467.46

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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.