Home / 2,961.54-4,086.93-1,635.30

Finding the Fourth Proportional to 2,961.54, 4,086.93 and 1,635.30

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Solution

The fourth proportional to 2,961.54, 4,086.93 and 1,635.30 is: 2,256.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,961.54 : 4,086.93 = 1,635.30 : x
  2. Step 2: Convert to fraction form
    2,961.54/4,086.93 = 1,635.30/x
  3. Step 3: Cross multiply
    2,961.54x = 4,086.93 × 1,635.30
  4. Step 4: Simplify right side
    2,961.54x = 6,683,356.63
  5. Step 5: Solve for x
    x = 6,683,356.63/2,961.54
  6. Step 6: Final answer
    x = 2,256.72

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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.