Home / 3,285.84-4,534.26-1,869.32

Finding the Fourth Proportional to 3,285.84, 4,534.26 and 1,869.32

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Solution

The fourth proportional to 3,285.84, 4,534.26 and 1,869.32 is: 2,579.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,285.84 : 4,534.26 = 1,869.32 : x
  2. Step 2: Convert to fraction form
    3,285.84/4,534.26 = 1,869.32/x
  3. Step 3: Cross multiply
    3,285.84x = 4,534.26 × 1,869.32
  4. Step 4: Simplify right side
    3,285.84x = 8,475,982.90
  5. Step 5: Solve for x
    x = 8,475,982.90/3,285.84
  6. Step 6: Final answer
    x = 2,579.55

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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.