Home / 3,195.60-4,787.02-2,538.59

Finding the Fourth Proportional to 3,195.60, 4,787.02 and 2,538.59

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Solution

The fourth proportional to 3,195.60, 4,787.02 and 2,538.59 is: 3,802.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,195.60 : 4,787.02 = 2,538.59 : x
  2. Step 2: Convert to fraction form
    3,195.60/4,787.02 = 2,538.59/x
  3. Step 3: Cross multiply
    3,195.60x = 4,787.02 × 2,538.59
  4. Step 4: Simplify right side
    3,195.60x = 12,152,250.82
  5. Step 5: Solve for x
    x = 12,152,250.82/3,195.60
  6. Step 6: Final answer
    x = 3,802.81

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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.