Home / 2,347.27-3,521.43-787.35

Finding the Fourth Proportional to 2,347.27, 3,521.43 and 787.35

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Solution

The fourth proportional to 2,347.27, 3,521.43 and 787.35 is: 1,181.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,347.27 : 3,521.43 = 787.35 : x
  2. Step 2: Convert to fraction form
    2,347.27/3,521.43 = 787.35/x
  3. Step 3: Cross multiply
    2,347.27x = 3,521.43 × 787.35
  4. Step 4: Simplify right side
    2,347.27x = 2,772,611.12
  5. Step 5: Solve for x
    x = 2,772,611.12/2,347.27
  6. Step 6: Final answer
    x = 1,181.21

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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.