Home / 3,468.51-4,787.41-1,977.31

Finding the Fourth Proportional to 3,468.51, 4,787.41 and 1,977.31

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Solution

The fourth proportional to 3,468.51, 4,787.41 and 1,977.31 is: 2,729.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,468.51 : 4,787.41 = 1,977.31 : x
  2. Step 2: Convert to fraction form
    3,468.51/4,787.41 = 1,977.31/x
  3. Step 3: Cross multiply
    3,468.51x = 4,787.41 × 1,977.31
  4. Step 4: Simplify right side
    3,468.51x = 9,466,193.67
  5. Step 5: Solve for x
    x = 9,466,193.67/3,468.51
  6. Step 6: Final answer
    x = 2,729.18

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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.