Home / 2,347.23-3,521.39-787.44

Finding the Fourth Proportional to 2,347.23, 3,521.39 and 787.44

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Solution

The fourth proportional to 2,347.23, 3,521.39 and 787.44 is: 1,181.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,347.23 : 3,521.39 = 787.44 : x
  2. Step 2: Convert to fraction form
    2,347.23/3,521.39 = 787.44/x
  3. Step 3: Cross multiply
    2,347.23x = 3,521.39 × 787.44
  4. Step 4: Simplify right side
    2,347.23x = 2,772,879.40
  5. Step 5: Solve for x
    x = 2,772,879.40/2,347.23
  6. Step 6: Final answer
    x = 1,181.34

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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.