Home / 3,107.84-4,664.32-1,569.28

Finding the Fourth Proportional to 3,107.84, 4,664.32 and 1,569.28

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Solution

The fourth proportional to 3,107.84, 4,664.32 and 1,569.28 is: 2,355.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,107.84 : 4,664.32 = 1,569.28 : x
  2. Step 2: Convert to fraction form
    3,107.84/4,664.32 = 1,569.28/x
  3. Step 3: Cross multiply
    3,107.84x = 4,664.32 × 1,569.28
  4. Step 4: Simplify right side
    3,107.84x = 7,319,624.09
  5. Step 5: Solve for x
    x = 7,319,624.09/3,107.84
  6. Step 6: Final answer
    x = 2,355.21

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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.